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Ubuntu Security Notice USN-1290-1

Posted on 08 December 2011
Source : packetstormsecurity.org Link

 

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

krb5 vulnerability
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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

 

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