Buffer overflow in xterm - CVE-2022-24130
Published: November 11, 2022
Vulnerability identifier: #VU69241
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-24130
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: invisible-island.net
Affected software:
xterm
xterm
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing texts, when Sixel support is enabled. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2022-24130
Install updates from vendor's website.
Sources
- https://invisible-island.net/xterm/xterm.log.html
- https://www.openwall.com/lists/oss-security/2022/01/30/2
- https://www.openwall.com/lists/oss-security/2022/01/30/3
- https://twitter.com/nickblack/status/1487731459398025216
- https://lists.debian.org/debian-lts-announce/2022/02/msg00007.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BP5Y4O7WBNLV24D22E6LE7RQFYOUVD2U/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4CWYYEBT6AJRJBBQU2KLUOQDHRM7WAV/
- https://security.gentoo.org/glsa/202208-22