This appears to also affect FC3. +++ This bug was initially created as a clone of Bug #186083 +++ FreeRADIUS authentication bypass A bug in the EAP-MSCHAPv2 module could allow an attacker to improperly authenticate as an aribitrary user. http://www.freeradius.org/security.html This issue also affects RHEL3 -- Additional comment from bressers on 2006-03-21 10:28 EST -- Created an attachment (id=126403) Patch from upstream CVS -- Additional comment from bugzilla on 2006-04-04 04:45 EST -- An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2006-0271.html
Fedora Core 3 is now completely unmaintained. These bugs can't be fixed in that version. If the issue still persists in current Fedora Core, please reopen. Thank you, and sorry about this.