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Fedora Update Notification
FEDORA-2011-10671
2011-08-12 04:18:23
--------------------------------------------------------------------------------

Name        : ecryptfs-utils
Product     : Fedora 16
Version     : 90
Release     : 1.fc16
URL         : https://launchpad.net/ecryptfs
Summary     : The eCryptfs mount helper and support libraries
Description :
eCryptfs is a stacked cryptographic filesystem that ships in Linux
kernel versions 2.6.19 and above. This package provides the mount
helper and supporting libraries to perform key management and mount
functions.

Install ecryptfs-utils if you would like to mount eCryptfs.

--------------------------------------------------------------------------------
Update Information:

- privilege escalation via mountpoint race conditions (CVE-2011-1831, CVE-2011-1832)
- race condition when checking source during mount (CVE-2011-1833)
- mtab corruption via improper handling (CVE-2011-1834)
- key poisoning via insecure temp directory handling (CVE-2011-1835)
- information disclosure via recovery mount in /tmp (CVE-2011-1836)
- arbitrary file overwrite via lock counter race (CVE-2011-1837)

- improve logging messages of ecryptfs pam module
- keep own copy of passphrase, pam clears it too early
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- improve logging messages of ecryptfs pam module
- keep own copy of passphrase, pam clears it too early
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- improve logging messages of ecryptfs pam module
- keep own copy of passphrase, pam clears it too early
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data and delayed keyring initialization
--------------------------------------------------------------------------------
References:

  [ 1 ] Bug #729465 - CVE-2011-1831 CVE-2011-1832 CVE-2011-1834 CVE-2011-1835 CVE-2011-1837 ecryptfs: multiple flaws to mount/umount arbitrary locations and possibly disclose confidential information
        https://bugzilla.redhat.com/show_bug.cgi?id=729465
--------------------------------------------------------------------------------

This update can be installed with the "yum" update program.  Use 
su -c 'yum update ecryptfs-utils' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
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