2.1
CVSSv2

CVE-2020-14347

Published: 05/08/2020 Updated: 07/11/2023
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Vulnerability Summary

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 Trend

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x.org xorg-server

debian debian linux 9.0

debian debian linux 10.0

canonical ubuntu linux 18.04

canonical ubuntu linux 14.04

canonical ubuntu linux 20.04

canonical ubuntu linux 16.04

Vendor Advisories

Synopsis Important: xorg-x11-server security update Type/Severity Security Advisory: Important Topic An update for xorg-x11-server is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (C ...
Debian Bug report logs - #968986 xorg-server: CVE-2020-14347 Package: src:xorg-server; Maintainer for src:xorg-server is Debian X Strike Force <debian-x@listsdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 25 Aug 2020 12:33:00 UTC Severity: important Tags: security, upstream Found in v ...
Several vulnerabilities have been discovered in the XOrg X server Missing input sanitising in X server extensions may result in local privilege escalation if the X server is configured to run with root privileges In addition an ASLR bypass was fixed For the stable distribution (buster), these problems have been fixed in version 2:1204-1+deb10 ...
A flaw was found in the way the Xserver memory was not properly initialized This issue leak parts of server memory to the X client In cases where the Xorg server runs with elevated privileges, this flaw results in a possible ASLR bypass (CVE-2020-14347) A flaw was found in the XOrg Server An out-of-bounds access in the XkbSetMap function may l ...
Allocation for pixmap data in AllocatePixmap() does not initialize the memory in xserver, it leads to leak uninitialize heap memory to clients When the X server runs with elevated privileges This flaw can lead to ASLR bypass, which when combined with other flaws (known/unknown) could lead to lead to privilege elevation in the client ...