CVE-2012-3440

mediumpriority · track · 22EPSS 0.004 · 38 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (38th) EPSS

CVSS 5.6 · medium

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

A certain Red Hat script for sudo 1.7.2 on Red Hat Enterprise Linux (RHEL) 5 allows local users to overwrite arbitrary files via a symlink attack on the /var/tmp/nsswitch.conf.bak temporary file.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedsudo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.src as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.src as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-debuginfo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-debuginfo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-debuginfo-0:1.7.2p1-14.el5_8.2.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-debuginfo-0:1.7.2p1-14.el5_8.2.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-debuginfo-0:1.7.2p1-14.el5_8.2.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-debuginfo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149
Fixedsudo-debuginfo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258
https://access.redhat.com/errata/RHSA-2012:1149

cvss

Technical severity, 0–10. One row per scoring source.

5.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.6mediumAV:L/AC:H/Au:N/C:N/I:C/A:Cprimary · NVD / NIST USexploitability 1.9 · impact 9.2

v2.04.8mediumAV:L/AC:H/Au:N/C:N/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

v2.05.6mediumAV:L/AC:H/Au:N/C:N/I:C/A:Csecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-59USprimaryCWE-367US

affected products (19)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
redhat enterprise linux= 5nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
todd miller sudo= 1.7.2nvdUScpe:2.3:a:todd_miller:sudo:*:*:*:*:*:*:*:*
sudo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.ppc as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.s390x as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.src as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.src as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS
sudo-debuginfo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-debuginfo-0:1.7.2p1-14.el5_8.2.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS
sudo-debuginfo-0:1.7.2p1-14.el5_8.2.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-debuginfo-0:1.7.2p1-14.el5_8.2.ppc as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-debuginfo-0:1.7.2p1-14.el5_8.2.s390x as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-debuginfo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
sudo-debuginfo-0:1.7.2p1-14.el5_8.2.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2012:1149Red Hat Security Advisory: sudo security and bug fix update2012-08-07csaf · redhat_csafUS
An updated sudo package that fixes one security issue and several bugs is now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2012-08-08modified 2026-06-16

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+2368 more

references (12)

External citations — patches, advisories, analysis.

scry

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