Improper Input Validation Affecting xorg-server package, versions <2:1.18.4-0ubuntu0.7
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-UBUNTU1604-XORGSERVER-327057
- published24 Jan 2018
- disclosed24 Jan 2018
Introduced: 24 Jan 2018
CVE-2017-12185 (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 MIT-SCREEN-SAVER 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-2017-12185
- https://cgit.freedesktop.org/xorg/xserver/commit/?id=cad5a1050b7184d828aef9c1dd151c3ab649d37e
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12185
- https://www.debian.org/security/2017/dsa-4000
- https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
- https://security-tracker.debian.org/tracker/CVE-2017-12185
- https://bugzilla.redhat.com/show_bug.cgi?id=1509215