Improper Input Validation Affecting xorg-x11-server-debuginfo package, versions <0:1.20.4-7.amzn2.0.1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Improper Input Validation vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-AMZN2-XORGX11SERVERDEBUGINFO-1680254
- published27 Sept 2021
- disclosed24 Aug 2018
Introduced: 24 Aug 2018
CVE-2018-14598 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 xorg-x11-server-debuginfo to version 0:1.20.4-7.amzn2.0.1 or higher.
This issue was patched in ALAS2-2020-1433.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-debuginfo package and not the xorg-x11-server-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 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://www.securityfocus.com/bid/105177
- https://bugzilla.suse.com/show_bug.cgi?id=1102073
- https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=e83722768fd5c467ef61fa159e8c6278770b45c2
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=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.debian.org/debian-lts-announce/2018/08/msg00030.html
- 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.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/