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TITLE:
Fedora Commons Empty LDAP Passwords Authentication Bypass

SECUNIA ADVISORY ID:
SA26445

VERIFY ADVISORY:
http://secunia.com/advisories/26445/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
Fedora Commons 2.x
http://secunia.com/product/15292/

DESCRIPTION:
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

http://sourceforge.net/tracker/index.php?func=detail&aid=1731608&group_id=177054&atid=879703

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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