Improper Input Validation Affecting libx11 package, versions <2:1.6.4-3ubuntu0.1
Threat Intelligence
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Start learning- Snyk IDSNYK-UBUNTU1804-LIBX11-339126
- published25 Sept 2018
- disclosed24 Aug 2018
Introduced: 24 Aug 2018
CVE-2018-14598 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 libx11 to version 2:1.6.4-3ubuntu0.1 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 Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
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/