Improper input validation in X.org X Server
CVE-2017-12185
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.042 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
- X.org X Server
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- www.debian.org/security/2017/dsa-4000 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2017/11/msg00032.html (mailing-list, Mailing List, Third Party Advisory)
- cgit.freedesktop.org/xorg/xserver/commit/ (Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, VDB Entry, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-12185?
- CVE-2017-12185 is a critical-severity vulnerability in X.org X Server, classified under CWE-391. CVSS score: 9.8/10. Published 2018-01-24.
- How severe is CVE-2017-12185?
- Critical severity. CVSS v3 base score is 9.8 out of 10.