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

SECUNIA ADVISORY ID:
SA24849

VERIFY ADVISORY:
http://secunia.com/advisories/24849/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
FreeRADIUS 1.x
http://secunia.com/product/3921/
FreeRADIUS 0.x
http://secunia.com/product/1518/

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

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