CVE-2016-7944 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8