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TITLE:
Kerberos kadmind "mechglue" Code Execution Vulnerability

SECUNIA ADVISORY ID:
SA23690

VERIFY ADVISORY:
http://secunia.com/advisories/23690/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Kerberos 5.x
http://secunia.com/product/556/

DESCRIPTION:
A vulnerability has been reported in Kerberos, which can potentially
be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error in the handling of
uninitialized pointers when the "mechglue" abstraction interface of
the GSS-API implementation performs certain error-handling functions.
This can be exploited to potentially execute arbitrary code via a
specially crafted packet.

The vulnerability is reported in versions krb5-1.5 through
krb5-1.5.1. Other versions may also be affected.

SOLUTION:
Apply patch:
http://web.mit.edu/kerberos/advisories/2006-003-patch.txt

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-003-mechglue.txt

OTHER REFERENCES:
US CERT: VU#831452
http://www.kb.cert.org/vuls/id/831452

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About:
This Advisory was delivered by Secunia as a free service to help
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