openSUSE Security Update: ecryptfs-utils: Update to fix various symlink race attacks ______________________________________________________________________________ Announcement ID: openSUSE-SU-2011:0902-1 Rating: important References: #709771 Affected Products: openSUSE 11.4 openSUSE 11.3 ______________________________________________________________________________ An update that contains security fixes can now be installed. Description: This update of ecryptfs-utils fixes several security problems: - CVE-2011-1831 - Race condition when checking mountpoint during mount. - CVE-2011-1832 - Race condition when checking mountpoint during unmount. - CVE-2011-1833 - Race condition when checking source during mount. - CVE-2011-1834 - Improper mtab handling allowing corruption due to resource limits, signals, etc. - CVE-2011-1835 - Key poisoning in ecryptfs-setup-private due to insecure temp directory. - CVE-2011-1837 - Predictable lock counter name and associated races. Patch Instructions: To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - openSUSE 11.4: zypper in -t patch ecryptfs-utils-4986 - openSUSE 11.3: zypper in -t patch ecryptfs-utils-4986 To bring your system up-to-date, use "zypper patch". Package List: - openSUSE 11.4 (i586 x86_64): ecryptfs-utils-83-6.7.1 - openSUSE 11.4 (x86_64): ecryptfs-utils-32bit-83-6.7.1 - openSUSE 11.3 (i586 x86_64): ecryptfs-utils-83-3.3.1 - openSUSE 11.3 (x86_64): ecryptfs-utils-32bit-83-3.3.1 References: https://bugzilla.novell.com/709771