Vulnerability identifier: #VU41865
Vulnerability risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-190
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
libx11
Other software /
Other software solutions
Vendor: 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
libx11: 1.6.0 - 1.6.9
External links
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00015.html
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14344
http://lists.x.org/archives/xorg-announce/2020-July/003050.html
http://www.openwall.com/lists/oss-security/2020/07/31/1
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.