Improper Input Validation The advisory has been revoked - it doesn't affect any version of package libx11 (opens in a new tab)
Threat Intelligence
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-UBUNTU1204-LIBX11-339123
- published25 Sept 2018
- disclosed24 Aug 2018
Introduced: 24 Aug 2018
CVE-2018-14598 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:12.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Ubuntu.
An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-14598
- https://bugzilla.suse.com/show_bug.cgi?id=1102073
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=e83722768fd5c467ef61fa159e8c6278770b45c2
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14598
- https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html
- https://security-tracker.debian.org/tracker/CVE-2018-14598
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/
- https://security.gentoo.org/glsa/201811-01
- https://lists.x.org/archives/xorg-announce/2018-August/002916.html
- http://www.openwall.com/lists/oss-security/2018/08/21/6
- https://access.redhat.com/errata/RHSA-2019:2079
- http://www.securityfocus.com/bid/105177
- http://www.securitytracker.com/id/1041543
- https://usn.ubuntu.com/3758-1/
- https://usn.ubuntu.com/3758-2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/