CVE-2020-14361

high

Description

A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

https://www.zerodayinitiative.com/advisories/ZDI-20-1418/

https://usn.ubuntu.com/4488-2/

https://security.gentoo.org/glsa/202012-01

https://lists.x.org/archives/xorg-announce/2020-August/003058.html

https://bugzilla.redhat.com/show_bug.cgi?id=1869142

Details

Source: Mitre, NVD

Published: 2020-09-15

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High