Improper Input Validation Affecting xorg-server package, versions <2:1.18.4-0ubuntu0.7
Threat Intelligence
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- published24 Jan 2018
- disclosed24 Jan 2018
Introduced: 24 Jan 2018
CVE-2017-12181 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 xorg-server to version 2:1.18.4-0ubuntu0.7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
xorg-x11-server before 1.19.5 was missing length validation in XFree86 DGA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-12181
- https://cgit.freedesktop.org/xorg/xserver/commit/?id=1b1d4c04695dced2463404174b50b3581dbd857b
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12181
- https://www.debian.org/security/2017/dsa-4000
- https://security-tracker.debian.org/tracker/CVE-2017-12181
- https://security.gentoo.org/glsa/201711-05
- https://bugzilla.redhat.com/show_bug.cgi?id=1509222