Severity
7.8HIGH
EPSS
0.4%
top 38.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 13
Latest updateDec 14

Description

A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

Debianxorg-server< 2:1.20.11-1+deb11u10+3
Ubuntuxorg-server< 2:1.20.13-1ubuntu1~20.04.12+3
NVDx.org/x_server< 21.1.10
NVDx.org/xwayland< 23.2.3
Debianxwayland< 2:23.2.3-1+1

Also affects: Debian Linux 10.0, 11.0, 12.0, Enterprise Linux 9.2

Patches

🔴Vulnerability Details

5
GHSA
GHSA-xp6x-8hgv-x5w5: A flaw was found in xorg-server2023-12-13
OSV
xorg-server, xwayland vulnerabilities2023-12-13
OSV
xorg-server vulnerabilities2023-12-13
CVEList
Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions2023-12-13
OSV
CVE-2023-6377: A flaw was found in xorg-server2023-12-13

📋Vendor Advisories

7
BSD
OpenBSD 7.3 Errata 023: SECURITY FIX2023-12-14
BSD
OpenBSD 7.4 Errata 010: SECURITY FIX2023-12-14
Ubuntu
X.Org X Server vulnerabilities2023-12-13
Red Hat
xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions2023-12-13
Ubuntu
X.Org X Server vulnerabilities2023-12-13