GLSA-200601-14 : LibAST: Privilege escalation
Medium Nessus Plugin ID 20822
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-200601-14 (LibAST: Privilege escalation)
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.
SolutionAll users should upgrade to the latest version and run revdep-rebuild:
# emerge --sync # emerge --ask --oneshot --verbose '>=x11-libs/libast-0.7' # revdep-rebuild