SB2016121368 - Integer overflow in xorg.freedesktop libxfixes
Published: December 13, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016121368
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2016-7944)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Integer overflow in X.org libXfixes before 5.0.3 on 32-bit platforms might allow remote X servers to gain privileges via a length value of INT_MAX, which triggers the client to stop reading data and get out of sync.
Remediation
Install update from vendor's website.
References
- 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/93361
- http://www.securitytracker.com/id/1036945
- https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4CE6VJWBMOWLSCH4OP4TAEPIA7NP53ON/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GE43MDCRGS4R7MRRZNVSLREHRLU5OHCV/
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html
- https://security.gentoo.org/glsa/201704-03