Joined: 12 May 2004
|Posted: Sun Jan 29, 2006 3:26 pm Post subject: [ GLSA 200601-14 ] LibAST: Privilege escalation
|Gentoo Linux Security Advisory
Title: LibAST: Privilege escalation (GLSA 200601-14)
Date: January 29, 2006
A buffer overflow in LibAST may result in execution of arbitrary code with escalated privileges.
LibAST is a utility library that was originally intended to accompany Eterm, but may be used by various other applications.
Vulnerable: < 0.7
Unaffected: >= 0.7
Architectures: All supported architectures
Michael Jennings discovered an exploitable buffer overflow in the configuration engine of LibAST.
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.
Identify all applications linking against LibAST and verify they are not setuid/setgid.
All users should upgrade to the latest version and run revdep-rebuild:
|# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libast-0.7"
Last edited by GLSA on Sun Jul 30, 2006 4:18 am; edited 3 times in total