Bill Niebel has reported a vulnerability in Fedora Commons, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerability is caused due to an error when binding to an LDAP server with an empty password. Depending on the LDAP implementation used, this can be exploited to bypass the authentication mechanism.
The vulnerability is reported in versions prior to 2.2.1.
Solution: Update to version 2.2.1.
Provided and/or discovered by: Bill Niebel
Original Advisory: http://sourceforge.net/project/shownotes.php?release_id=531870
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