#VU41865 Integer overflow in libx11 - CVE-2020-14344
Published: August 10, 2020
Vulnerability identifier: #VU41865
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-14344
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
libx11
libx11
Software vendor:
xorg.freedesktop.org
xorg.freedesktop.org
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow in the X Input Method (XIM) client in libX11. A local user can run a specially crafted program, trigger integer overflow and execute arbitrary code on the system with elevated privileges.
Remediation
Install updates from vendor's website.
External links
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00015.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14344
- https://lists.x.org/archives/xorg-announce/2020-July/003050.html
- https://www.openwall.com/lists/oss-security/2020/07/31/1