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Insecure Library Loading
Highly critical

Kerberos kadmind xprt->xp_auth Code Execution Vulnerability

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Release Date:  2007-01-10    Views:  16,857

Secunia Advisory SA23696

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

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.

Further details available to Secunia VIM customers

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

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Kerberos kadmind xprt->xp_auth Code Execution Vulnerability

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