openSUSE Security Update: Security update for polkit ______________________________________________________________________________ Announcement ID: openSUSE-SU-2015:1927-1 Rating: moderate References: #912889 #933922 #935119 #939246 #943816 #950114 Cross-References: CVE-2015-3218 CVE-2015-3255 CVE-2015-3256 CVE-2015-4625 Affected Products: openSUSE Leap 42.1 ______________________________________________________________________________ An update that solves four vulnerabilities and has two fixes is now available. Description: polkit was updated to the 0.113 release, fixing security issues and bugs. Security issues fixed: * Fixes CVE-2015-4625, a local privilege escalation due to predictable authentication session cookie values. Thanks to Tavis Ormandy, Google Project Zero for reporting this issue. For the future, authentication agents are encouraged to use PolkitAgentSession instead of using the D-Bus agent response API directly. (bsc#935119) * Fixes CVE-2015-3256, various memory corruption vulnerabilities in use of the JavaScript interpreter, possibly leading to local privilege escalation. (bsc#943816) * Fixes CVE-2015-3255, a memory corruption vulnerability in handling duplicate action IDs, possibly leading to local privilege escalation. Thanks to Laurent Bigonville for reporting this issue. (bsc#939246) * Fixes CVE-2015-3218, which allowed any local user to crash polkitd. Thanks to Tavis Ormandy, Google Project Zero, for reporting this issue. (bsc#933922) Other issues fixed: * On systemd-213 and later, the "active" state is shared across all sessions of an user, instead of being tracked separately. * pkexec, when not given a program to execute, runs the users shell by default. * Fixed shutdown problems on powerpc64le (bsc#950114) * polkit had a memory leak (bsc#912889) Patch Instructions: To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - openSUSE Leap 42.1: zypper in -t patch openSUSE-2015-711=1 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE Leap 42.1 (i586 x86_64): libpolkit0-0.113-6.1 libpolkit0-debuginfo-0.113-6.1 polkit-0.113-6.1 polkit-debuginfo-0.113-6.1 polkit-debugsource-0.113-6.1 polkit-devel-0.113-6.1 polkit-devel-debuginfo-0.113-6.1 typelib-1_0-Polkit-1_0-0.113-6.1 - openSUSE Leap 42.1 (x86_64): libpolkit0-32bit-0.113-6.1 libpolkit0-debuginfo-32bit-0.113-6.1 - openSUSE Leap 42.1 (noarch): polkit-doc-0.113-6.1 References: https://www.suse.com/security/cve/CVE-2015-3218.html https://www.suse.com/security/cve/CVE-2015-3255.html https://www.suse.com/security/cve/CVE-2015-3256.html https://www.suse.com/security/cve/CVE-2015-4625.html https://bugzilla.suse.com/912889 https://bugzilla.suse.com/933922 https://bugzilla.suse.com/935119 https://bugzilla.suse.com/939246 https://bugzilla.suse.com/943816 https://bugzilla.suse.com/950114