CVE-2023-6478Integer Overflow or Wraparound in X Server

Severity
7.5HIGHNVD
CNA7.6
EPSS
1.2%
top 21.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 13
Latest updateMar 13

Description

A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

Debianx.org/xorg-server< 2:1.20.11-1+deb11u9+3
Ubuntux.org/xorg-server< 2:1.15.1-0ubuntu2.11+esm9
NVDx.org/x_server< 21.1.10
NVDx.org/xwayland< 23.2.3
Debianx.org/xwayland< 2:23.2.3-1+1

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

Patches

🔴Vulnerability Details

6
OSV
xorg-server vulnerabilities2024-03-13
CVEList
Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty2023-12-13
GHSA
GHSA-fwrj-5c8f-f8h2: A flaw was found in xorg-server2023-12-13
OSV
CVE-2023-6478: A flaw was found in xorg-server2023-12-13
OSV
xorg-server vulnerabilities2023-12-13

📋Vendor Advisories

8
Ubuntu
X.Org X Server vulnerabilities2024-03-13
BSD
OpenBSD 7.3 Errata 023: SECURITY FIX2023-12-14
BSD
OpenBSD 7.4 Errata 010: SECURITY FIX2023-12-14
Red Hat
xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty2023-12-13
Ubuntu
X.Org X Server vulnerabilities2023-12-13
CVE-2023-6478 — Integer Overflow or Wraparound | cvebase