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FreeRADIUS EAP-TTLS "VALUE_PAIR" Memory Leak Security Issue

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Release Date:  2007-04-12    Last Update:  2007-04-18    Views:  14,755

Secunia Advisory SA24849

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A security issue has been reported in FreeRADIUS, which can be exploited by malicious people to cause a DoS (Denial of Service).

The security issue is caused due to a memory leak (ca. 300bytes) within the handling of certain malformed diameter format values inside an EAP-TTLS tunnel. This can be exploited to exhaust all available memory by sending a large number of malformed authentication requests to a vulnerable server.

The security issue is reported in versions prior to 1.1.6.


Solution:
Update to version 1.1.6.

Provided and/or discovered by:
The vendor credits the Coverity Project.

Original Advisory:
http://www.freeradius.org/security.html

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: FreeRADIUS EAP-TTLS "VALUE_PAIR" Memory Leak Security Issue

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