Access Restriction Bypass Affecting libxfixes package, versions <1:5.0.1-2+deb8u1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.91% (83rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN8-LIBXFIXES-275470
- published 13 Dec 2016
- disclosed 13 Dec 2016
How to fix?
Upgrade Debian:8
libxfixes
to version 1:5.0.1-2+deb8u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libxfixes
package and not the libxfixes
package as distributed by Debian
.
See How to fix?
for Debian:8
relevant fixed versions and status.
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.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7944
- https://security-tracker.debian.org/tracker/CVE-2016-7944
- 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://security.gentoo.org/glsa/201704-03
- https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e
- https://lists.x.org/archives/xorg-announce/2016-October/002720.html
- 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7944
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4CE6VJWBMOWLSCH4OP4TAEPIA7NP53ON/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GE43MDCRGS4R7MRRZNVSLREHRLU5OHCV/