Out-of-Bounds Affecting dnsmasq package, versions <0:2.76-2.el7_4.2
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ORACLE7-DNSMASQ-2519619
- published10 Apr 2022
- disclosed3 Oct 2017
Introduced: 3 Oct 2017
CVE-2017-14492 (opens in a new tab)How to fix?
Upgrade Oracle:7 dnsmasq to version 0:2.76-2.el7_4.2 or higher.
This issue was patched in ELSA-2017-2836.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dnsmasq package and not the dnsmasq package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 router advertisement request.
References
- https://linux.oracle.com/cve/CVE-2017-14492.html
- https://linux.oracle.com/errata/ELSA-2017-2836.html
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=24036ea507862c7b7898b68289c8130f85599c10
- https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html
- https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
- http://nvidia.custhelp.com/app/answers/detail/a_id/4561
- http://thekelleys.org.uk/dnsmasq/CHANGELOG
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=24036ea507862c7b7898b68289c8130f85599c10
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
- http://www.debian.org/security/2017/dsa-3989
- http://www.securityfocus.com/bid/101085
- http://www.securitytracker.com/id/1039474
- http://www.ubuntu.com/usn/USN-3430-1
- http://www.ubuntu.com/usn/USN-3430-2
- https://access.redhat.com/errata/RHSA-2017:2836
- https://access.redhat.com/errata/RHSA-2017:2837
- https://access.redhat.com/security/vulnerabilities/3199382
- https://security.gentoo.org/glsa/201710-27
- https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
- https://www.exploit-db.com/exploits/42942/
- https://www.kb.cert.org/vuls/id/973527
- https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
- https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
- https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq
- https://www.exploit-db.com/exploits/42942