CVE-2017-14495
mediumPriorität · beachten · 70EPSS 0.859 · 100. PerzentilExploit · funktionalEUUSEPSS · bewertet 2026-10-22
Memory leak in dnsmasq before 2.78, when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service (memory consumption) via vectors involving DNS response creation.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobendnsmasq-0:2.76-2.el7_4.2.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.aarch64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-debuginfo-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.aarch64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf
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-2017:2836 - Behobendnsmasq-utils-0:2.76-2.el7_4.2.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)redhat_csaf
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-2017:2836 - BehobenRUGGEDCOM RM1224cisa_csaf_ot
Update to V5.0 or later version https://support.industry.siemens.com/cs/ww/en/view/109757544
- BehobenSCALANCE M-800 / S615cisa_csaf_ot
Update to V5.0 or later version https://support.industry.siemens.com/cs/ww/en/view/109757544
- BehobenSCALANCE W1750Dcisa_csaf_ot
Update to V6.5.1.5 or later version https://support.industry.siemens.com/cs/ww/en/view/109778052
- MitigationRUGGEDCOM RM1224cisa_csaf_ot
SCALANCE M-800 / S615 and RUGGEDCOM RM1224: Disable DNS proxy in the device configuration (System - DNS - DNS Proxy - Disable Checkbox 'Enable DNS Proxy'), and configure the connected devices in the internal network to use a different DNS server
- MitigationSCALANCE M-800 / S615cisa_csaf_ot
SCALANCE M-800 / S615 and RUGGEDCOM RM1224: Disable DNS proxy in the device configuration (System - DNS - DNS Proxy - Disable Checkbox 'Enable DNS Proxy'), and configure the connected devices in the internal network to use a different DNS server
- MitigationSCALANCE W1750Dcisa_csaf_ot
SCALANCE W1750D: If 'OpenDNS', 'Captive Portal' or 'URL redirection' functionality is not used, deploy firewall rules in the device configuration to block incoming access to port 53/UDP
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.8
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
Exploits (1)
Öffentlicher Proof-of-Concept- und Exploit-Code.
- EDB-42945Dnsmasq < 2.78 - Lack of free() Denial of Servicefunktional · exploit_db
betroffene Produkte (51)
Betroffene Produkte und Versionsbereiche.
- redhat enterprise linux workstation= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_workstation:*:*:*:*:*:*:*:*
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- RHSA-2017:2836Red Hat Security Advisory: dnsmasq security update2017-10-02csaf · redhat_csafUS
An update for dnsmasq is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. 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.
- ICSA-17-332-01Siemens SCALANCE W1750D, M800, S615, and RUGGEDCOM RM1224 (Update C)2017-11-17icsa · cisa_csaf_otUS
As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (93)
Externe Belege — Patches, Meldungen, Analysen.
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.htmlcnnvd
- http://nvidia.custhelp.com/app/answers/detail/a_id/4561cnnvd
- http://thekelleys.org.uk/dnsmasq/CHANGELOGcnnvd
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=51eadb692a5123b9838e5a68ecace3ac579a3a45cnnvd
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txtcnnvd
- http://www.kb.cert.org/vuls/id/973527cnnvd
- http://www.securityfocus.com/bid/101085cnnvd
- http://www.securitytracker.com/id/1039474cnnvd
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