GLSA-201810-09 : X.Org X Server: Privilege escalation
High Nessus Plugin ID 118509
SynopsisThe remote Gentoo host is missing one or more security-related patches.
DescriptionThe remote host is affected by the vulnerability described in GLSA-201810-09 (X.Org X Server: Privilege escalation)
An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges.
A local attacker can escalate privileges to root by passing crafted parameters to the X.org X server.
There is no known workaround at this time.
SolutionAll X.Org X Server users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=x11-base/xorg-server-1.20.3'