Out-of-bounds Write Affecting libx11 package, versions <1.6.6-r0
Threat Intelligence
EPSS
6.6% (94th
percentile)
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Test your applications- Snyk ID SNYK-ALPINE315-LIBX11-1927058
- published 25 Sep 2018
- disclosed 24 Aug 2018
Introduced: 24 Aug 2018
CVE-2018-14600 Open this link in a new tabHow to fix?
Upgrade Alpine:3.15 libx11 to version 1.6.6-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Alpine.
See How to fix? for Alpine:3.15 relevant fixed versions and status.
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.
References
- https://bugzilla.suse.com/show_bug.cgi?id=1102068
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27fea
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14600
- https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html
- https://security-tracker.debian.org/tracker/CVE-2018-14600
- 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-14600
- https://usn.ubuntu.com/3758-1/
- https://usn.ubuntu.com/3758-2/
CVSS Scores
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