Integer overflow in libxrandr - CVE-2016-7947
Published: December 13, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32231
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-2016-7947
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: xorg.freedesktop.org
Affected software:
libxrandr
libxrandr
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Multiple integer overflows in X.org libXrandr before 1.5.1 allow remote X servers to trigger out-of-bounds write operations via a crafted response.
How to mitigate CVE-2016-7947
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/93365
- http://www.securitytracker.com/id/1036945
- https://cgit.freedesktop.org/xorg/lib/libXrandr/commit/?id=a0df3e1c7728205e5c7650b2e6dce684139254a6
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/74FFOHWYIKQZTJLRJWDMJ4W3WYBELUUG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y7662OZWCSTLRPKS6R3E4Y4M26BSVAAM/
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html
- https://security.gentoo.org/glsa/201704-03