[SECURITY] Fedora 16 Update: krb5-1.9.2-4.fc16

[updates at fedoraproject.org]

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Fedora Update Notification
FEDORA-2011-16296
2011-11-23 00:23:28
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Name        : krb5
Product     : Fedora 16
Version     : 1.9.2
Release     : 4.fc16
URL         : http://web.mit.edu/kerberos/www/
Summary     : The Kerberos network authentication system
Description :
Kerberos V5 is a trusted-third-party network authentication system,
which can improve your network's security by eliminating the insecure
practice of cleartext passwords.

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Update Information:

This update rebases Fedora 15 and 16 from version 1.9.1 to version 1.9.2, incorporating a recent security update, and some of the fixes we were previously backporting, among others.  It also incorporates fixes for null pointer dereferences which the KDC could make while processing TGS requests (CVE-2011-1530).
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ChangeLog:

* Tue Dec  6 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.2-4
- apply upstream patch to fix a null pointer dereference when processing
  TGS requests (CVE-2011-1530, #753748)
* Wed Nov 30 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.2-3
- correct a bug in the fix for #754001 so that the file creation context is
  consistently reset
* Tue Nov 22 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.2-2
- pull patch from trunk so that when computing an HMAC, we don't assume that
  the HMAC output size is the same as the input key length (RT#6994, #756139)
* Tue Nov 15 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.2-1
- update to 1.9.2, incorporating the recent security update and some of the
  things we were previously backporting, among other fixes
* Tue Nov 15 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-19
- selinux: reset the creation context properly after expunging replay caches
  if they were previously set to the default value (#754001)
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References:

  [ 1 ] Bug #754001 - ssh_selinux_change_context: setcon failed with Invalid argument (openssh, krb5)
        https://bugzilla.redhat.com/show_bug.cgi?id=754001
  [ 2 ] Bug #756139 - krb5_pac_verify() fail with AES keys
        https://bugzilla.redhat.com/show_bug.cgi?id=756139
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This update can be installed with the "yum" update program.  Use 
su -c 'yum update krb5' 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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