USN-1576-2: DBus regressions
04 October 2012
DBus could be made to run programs as an administrator.
- dbus - simple interprocess messaging system
USN-1576-1 fixed vulnerabilities in DBus. The update caused a regression
for certain services launched from the activation helper, and caused an
unclean shutdown on upgrade. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Sebastian Krahmer discovered that DBus incorrectly handled environment
variables when running with elevated privileges. A local attacker could
possibly exploit this flaw with a setuid binary and gain root privileges.
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.
- USN-1576-1: dbus, libdbus-1-3