Secunia Security Advisory - A weakness has been reported in PolicyKit, which can be exploited by malicious, local users to disclose certain system information.
88075876eaef020ea041438be4a867adeb6c9d08425dce89688e7989c24f4622
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TITLE:
PolicyKit "pkexec" File Existence Disclosure Weakness
SECUNIA ADVISORY ID:
SA39149
VERIFY ADVISORY:
http://secunia.com/advisories/39149/
DESCRIPTION:
A weakness has been reported in PolicyKit, which can be exploited by
malicious, local users to disclose certain system information.
The weakness is caused due to the "pkexec" utility returning
different results depending on the existence of files, which can be
exploited to e.g. determine if a file exists in a restricted
directory.
The weakness is reported in version 0.96. Other versions may also be
affected.
SOLUTION:
Fixed in the GIT repository.
http://cgit.freedesktop.org/PolicyKit/commit/?id=14bdfd816512a82b1ad258fa143ae5faa945df8a
PROVIDED AND/OR DISCOVERED BY:
Dan Rosenberg
ORIGINAL ADVISORY:
Launchpad Ubuntu Bug #532852:
https://bugs.launchpad.net/ubuntu/+source/policykit-1/+bug/532852
PolicyKit:
http://bugs.freedesktop.org/show_bug.cgi?id=26982
http://cgit.freedesktop.org/PolicyKit/commit/?id=14bdfd816512a82b1ad258fa143ae5faa945df8a
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