RHSA-2020:0726

csafUSredhat_csaf

Red Hat Security Advisory: sudo security update

view advisory published 2020-03-05

An update for sudo is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2019-18634UShigh7.8Exploit
In Sudo before 1.8.26, if pwfeedback is enabled in /etc/sudoers, users can trigger a stack-based buffer overflow in the privileged sudo process. (pwfeedback is a default setting in…
02

references

External citations — patches, advisories, analysis.

03

remediations (92)

  • Fixedsudo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux Desktop (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux HPC Node (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux Workstation (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Fixedsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0726
  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux Desktop (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux HPC Node (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.src as a component of Red Hat Enterprise Linux Workstation (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-debuginfo-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

  • Workaroundsudo-devel-0:1.8.6p3-29.el6_10.3.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)

    Please follow the steps bellow as mitigation: 1. Check the default properties set for sudo by running: ~~~ $ sudo -l [sudo] password for user: Matching Defaults entries for users on localhost: !visiblepw, pwfeedback, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin ~~~ 2. If `pwfeedback` is enabled as shown above, edit your `/etc/sudoers` file, changing the line: ~~~ Defaults pwfeedback ~~~ To: ~~~ Defaults !pwfeedback ~~~ This will disable visual feedback on password typing, making sure the attack is not possible anymore.

scry

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