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Inspector.

The Secunia Software Inspector is a free service that detects insecure
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TITLE:
Kerberos kadmind xprt->xp_auth Code Execution Vulnerability

SECUNIA ADVISORY ID:
SA23696

VERIFY ADVISORY:
http://secunia.com/advisories/23696/

CRITICAL:
Highly critical

IMPACT:
DoS, 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 cause a DoS (Denial of Service)
or to compromise a vulnerable system.

The vulnerability is caused due to an error in the handling of
xprt->xp_auth pointers when freeing structures in memory. This can be
exploited to crash the daemon or execute arbitrary code via a
specially crafted kerberos packet.

The vulnerability is reported in the following versions:
* krb5-1.4 through krb5-1.4.4
* krb5-1.5 through krb5-1.5.1

Other versions may also be affected.

SOLUTION:
Apply patch.
http://web.mit.edu/kerberos/advisories/2006-002-patch.txt

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Andrew Korty from Indiana University.

ORIGINAL ADVISORY:
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-002-rpc.txt

OTHER REFERENCES:
US-CERT VU#481564:
http://www.kb.cert.org/vuls/id/481564

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
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use those supplied by the vendor.

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