Vulnerability in The Xorg Project Xorg-X11-Server
CVE-2020-14347
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- The Xorg Project Xorg-X11-Server — versions 1.20.9
- X.org X Server
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
References
- lists.x.org/archives/xorg-announce/2020-July/003051.html (Patch, Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/07/31/2 (Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.html (vendor-advisory, Broken Link)
- lists.debian.org/debian-lts-announce/2020/08/msg00057.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.html (vendor-advisory, Broken Link)
- www.debian.org/security/2020/dsa-4758 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4488-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4488-2/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202012-01 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14347?
- CVE-2020-14347 is a medium-severity vulnerability in The Xorg Project Xorg-X11-Server, classified under Improper Initialization. CVSS score: 5.5/10. Published 2020-08-05.
- How severe is CVE-2020-14347?
- Medium severity. CVSS v3 base score is 5.5 out of 10.