Out-of-bounds read in libXtst - CVE-2016-7951
Published: December 13, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32235
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-7951
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: xorg.freedesktop.org
Affected software:
libXtst
libXtst
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Multiple integer overflows in X.org libXtst before 1.2.3 allow remote X servers to trigger out-of-bounds memory access operations by leveraging the lack of range checks.
How to mitigate CVE-2016-7951
Install update from vendor's website.
Sources
- http://www.openwall.com/lists/oss-security/2016/10/04/2
- http://www.openwall.com/lists/oss-security/2016/10/04/4
- http://www.securityfocus.com/bid/93370
- http://www.securitytracker.com/id/1036945
- https://cgit.freedesktop.org/xorg/lib/libXtst/commit/?id=9556ad67af3129ec4a7a4f4b54a0d59701beeae3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AFLHX7WNEUXXDAGR324T35L5P6RRR7GE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVEUZRHYY3AJEKMFQ4DS7DX3Y2AICFP7/
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html