CVE-2020-14347

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory x.org
Affected: The Xorg Project xorg-x11-server
Published at:
Updated at:

References

Link Tags
https://lists.x.org/archives/xorg-announce/2020-July/003051.html mailing list patch vendor advisory
https://www.openwall.com/lists/oss-security/2020/07/31/2 mailing list third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14347 third party advisory issue tracking
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00066.html vendor advisory broken link
https://lists.debian.org/debian-lts-announce/2020/08/msg00057.html mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00075.html vendor advisory broken link
https://www.debian.org/security/2020/dsa-4758 third party advisory vendor advisory
https://usn.ubuntu.com/4488-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4488-2/ third party advisory vendor advisory
https://security.gentoo.org/glsa/202012-01 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-14347?
CVE-2020-14347 has been scored as a medium severity vulnerability.
How to fix CVE-2020-14347?
To fix CVE-2020-14347, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-14347 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-14347 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-14347?
CVE-2020-14347 affects The Xorg Project xorg-x11-server.
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