X.Org X11 setuid Security Issues - Secunia Advisories - Vulnerability Intelligence

X.Org X11 setuid Security Issues
Secunia Advisory:	SA21650	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-08-29
Last Update:	2006-10-26
Popularity:	13,152 views

Critical:	Less critical
Impact:	Privilege escalation
Where:	Local system
Solution Status:	Vendor Patch

Software:	X Window System 11 (X11) 6.x X Window System 11 (X11) 7.x

Subscribe:	Instant alerts on relevant vulnerabilities

Description: Some security issues have been reported in X.Org X11, which can be exploited by malicious, local users to perform certain actions with escalated privileges. The security issues are caused due to missing checks whether the setuid() or similar calls have succeeded. This can be exploited to perform certain actions with root privileges if the calls fail due to e.g. resource limits. The security issues has been reported in versions 6.7.0 through 7.1.0. Other versions may also be affected. Solution: Apply patches. X.Org X11 6.8.2: http://xorg.freedesktop.org/releases/X11R6.8.2/patches/ X.Org X11 6.9.0: http://xorg.freedesktop.org/releases/X11R6.9.0/patches/ X.Org X11 7.0: http://xorg.freedesktop.org/releases/X11R7.0/patches/ X.Org X11 7.1: http://xorg.freedesktop.org/releases/X11R7.1/patches/ Provided and/or discovered by: The vendor credits Dirk Mueller and Marcus Meissner. Changelog: 2006-10-26: Added link to US-CERT. Original Advisory: http://lists.freedesktop.org/archives/xorg/2006-June/016146.html Other References: US-CERT VU#300368: http://www.kb.cert.org/vuls/id/300368

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