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[security-announce] openSUSE-SU-2011:0902-1: important: ecryptfs-utils: Update to fix various symlink race attacks
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

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