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Fedora 10 Update: krb5-1.6.3-18.fc10 Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Fedora This update incorporates patches to fix potential read overflow and NULL pointer dereferences in the implementation of the SPNEGO GSSAPI mechanism (CVE-2009-0844, CVE-2009-0845), attempts to free an uninitialized pointer during protocol parsing (CVE-2009-0846), and a bug in length validation during protocol parsing (CVE-2009-0847).
--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2009-2852
2009-03-18 18:33:45
--------------------------------------------------------------------------------

Name        : krb5
Product     : Fedora 10
Version     : 1.6.3
Release     : 18.fc10
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.

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

This update incorporates patches to fix potential read overflow and NULL pointer
dereferences in the implementation of the SPNEGO GSSAPI mechanism
(CVE-2009-0844, CVE-2009-0845), attempts to free an uninitialized pointer during
protocol parsing (CVE-2009-0846), and a bug in length validation during protocol
parsing (CVE-2009-0847).
--------------------------------------------------------------------------------
ChangeLog:

* Tue Apr  7 2009 Nalin Dahyabhai  1.6.3-18
- add patches for read overflow and null pointer dereference in the
  implementation of the SPNEGO mechanism (CVE-2009-0844, CVE-2009-0845)
- add patch for attempt to free uninitialized pointer in libkrb5
  (CVE-2009-0846)
- add patch to fix length validation bug in libkrb5 (CVE-2009-0847)
* Tue Mar 17 2009 Nalin Dahyabhai  1.6.3-17
- libgssapi_krb5: backport fix for some errors which can occur when
  we fail to set up the server half of a context (CVE-2009-0845)
* Thu Sep  4 2008 Nalin Dahyabhai 
- if we successfully change the user's password during an attempt to get
  initial credentials, but then fail to get initial creds from a non-master
  using the new password, retry against the master (#432334)
--------------------------------------------------------------------------------
References:

  [ 1 ] Bug #490634 - CVE-2009-0845 krb5: Null pointer dereference in GSSAPI SPNEGO security mechanism
        https://bugzilla.redhat.com/show_bug.cgi?id=490634
  [ 2 ] Bug #491033 - CVE-2009-0844 krb5: buffer over-read in SPNEGO GSS-API mechanism (MITKRB5-SA-2009-001)
        https://bugzilla.redhat.com/show_bug.cgi?id=491033
  [ 3 ] Bug #491036 - CVE-2009-0846 krb5: ASN.1 decoder can free uninitialized pointer when decoding an invalid encoding (MITKRB5-SA-2009-002)
        https://bugzilla.redhat.com/show_bug.cgi?id=491036
  [ 4 ] Bug #491034 - CVE-2009-0847 krb5: incorrect length check inside ASN.1 decoder (MITKRB5-SA-2009-001)
        https://bugzilla.redhat.com/show_bug.cgi?id=491034
--------------------------------------------------------------------------------

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
http://fedoraproject.org/keys
--------------------------------------------------------------------------------

_______________________________________________
Fedora-package-announce mailing list
Fedora-package-announce@redhat.com
http://www.redhat.com/mailman/listinfo/fedora-package-announce
 
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