GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Sun Jan 29, 2006 3:26 pm Post subject: [ GLSA 200601-14 ] LibAST: Privilege escalation |
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Gentoo Linux Security Advisory
Title: LibAST: Privilege escalation (GLSA 200601-14)
Severity: high
Exploitable: local
Date: January 29, 2006
Bug(s): #120106
ID: 200601-14
Synopsis
A buffer overflow in LibAST may result in execution of arbitrary code with escalated privileges.
Background
LibAST is a utility library that was originally intended to accompany Eterm, but may be used by various other applications.
Affected Packages
Package: x11-libs/libast
Vulnerable: < 0.7
Unaffected: >= 0.7
Architectures: All supported architectures
Description
Michael Jennings discovered an exploitable buffer overflow in the configuration engine of LibAST.
Impact
The vulnerability can be exploited to gain escalated privileges if the application using LibAST is setuid/setgid and passes a specifically crafted filename to LibAST's configuration engine.
Workaround
Identify all applications linking against LibAST and verify they are not setuid/setgid.
Resolution
All users should upgrade to the latest version and run revdep-rebuild: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libast-0.7"
# revdep-rebuild |
References
CVE-2006-0224
Last edited by GLSA on Sun Jul 30, 2006 4:18 am; edited 3 times in total |
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