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List:       pgsql-bugs
Subject:    Re: [BUGS] BUG #4877: LDAP auth allows empty password string
From:       Magnus Hagander <magnus () hagander ! net>
Date:       2009-06-24 11:45:04
Message-ID: 4A4211C0.60605 () hagander ! net
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Richard Tector wrote:
> The following bug has been logged online:
> 
> Bug reference:      4877
> Logged by:          Richard Tector
> Email address:      richard@tector.org.uk
> PostgreSQL version: 8.3.7
> Operating system:   FreeBSD 7.2-RELEASE-p1
> Description:        LDAP auth allows empty password string
> Details: 
> 
> In general the client libraries for PostgreSQL error if an empty password is
> used. The JDBC drivers do not, and this has uncovered a problem with the
> server's LDAP authentication code.
> 
> When authenticating against Active Directory using the method:
> ldap "ldap://osiris.capl.local/dc=capl,dc=local;CAPL\"
> Authentication is successful with both the correct password and an empty
> password, so long as a valid user is supplied. Using a non-existent username
> or an incorrect password correctly produces an error and the logon fails.

Since this is a security related report, it should have been reported to
security@postgresql.org, as specified on the web form you used.

For this reason, we will follow this up on that forum, and post a public
followup once the issue has been investigated.

-- 
 Magnus Hagander
 Self: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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