FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

freeradius -- EAP-TTLS Tunnel Memory Leak Remote DOS Vulnerability

Affected packages
freeradius <= 1.1.5
freeradius-mysql <= 1.1.5


VuXML ID c110eda2-e995-11db-a944-0012f06707f0
Discovery 2007-04-10
Entry 2007-04-13
Modified 2010-05-12

The freeradius development team reports:

A malicous 802.1x supplicant could send malformed Diameter format attributes inside of an EAP-TTLS tunnel. The server would reject the authentication request, but would leak one VALUE_PAIR data structure, of approximately 300 bytes. If an attacker performed the attack many times (e.g. thousands or more over a period of minutes to hours), the server could leak megabytes of memory, potentially leading to an "out of memory" condition, and early process exit.


Bugtraq ID 23466
CVE Name CVE-2005-1454
CVE Name CVE-2005-1455
CVE Name CVE-2005-4745
CVE Name CVE-2007-2028