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Category:   Application (Security)  >   FreeRADIUS Vendors:   FreeRADIUS Server Project
FreeRADIUS EAP-TTLS Memory Leak Lets Remote Users Deny Service
SecurityTracker Alert ID:  1018042
SecurityTracker URL:  http://securitytracker.com/id/1018042
CVE Reference:   CVE-2007-2028   (Links to External Site)
Date:  May 10 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.1.5 and prior versions
Description:   A vulnerability was reported in FreeRADIUS. A remote user can cause denial of service conditions.

A remote user can send specially crafted Diameter format attributes within an EAP-TTLS tunnel to trigger a memory leak. This can be repeated to consume excessive memory on the target system and cause the target service to crash.

The Coverity Scan project discovered this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fixed version (1.1.6).

The FreeRADIUS advisory is available at:

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

Vendor URL:  www.freeradius.org/security.html (Links to External Site)
Cause:   Resource error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 10 2007 (Red Hat Issues Fix) FreeRADIUS EAP-TTLS Memory Leak Lets Remote Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 3, 4, and 5.



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