Description
login_radius on OpenBSD 3.2, 3.5, and possibly other versions does not verify the shared secret in a response packet from a RADIUS server, which allows remote attackers to bypass authentication by spoofing server replies.
References
- 20040921 OpenBSD radius authentication vulnerability mailing-list
- http://www.openbsd.org/errata35.html#radius
- 11227 vdb-entry
- http://www.reseau.nl/advisories/0400-openbsd-radius.txt
- openbsd-radius-auth-bypass(17456) vdb-entry
- 10203 vdb-entry
- 12617 third-party-advisory