Home / mailings

PDF

[USN-1290-1] Kerberos vulnerability

Posted on 08 December 2011
Ubuntu Security

--===============3079797864100324618==
Content-Type: multipart/signed; micalg=pgp-sha512;
protocol="application/pgp-signature"; boundary="Clx92ZfkiYIKRjnr"
Content-Disposition: inline


--Clx92ZfkiYIKRjnr
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

==========================================================================
Ubuntu Security Notice USN-1290-1
December 08, 2011

krb5 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10

Summary:

The Kerberos Key Distribution Center (KDC) could be made to crash.

Software Description:
- krb5: MIT Kerberos Network Authentication Protocol

Details:

Simo Sorce discovered that a NULL pointer dereference existed in
the Kerberos Key Distribution Center (KDC). An authenticated remote
attacker could use this to cause a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
krb5-kdc 1.9.1+dfsg-1ubuntu2.2

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1290-1
CVE-2011-1530

Package Information:
https://launchpad.net/ubuntu/+source/krb5/1.9.1+dfsg-1ubuntu2.2

 

TOP