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Date: Sun, 9 Mar 2008 20:13:45 -0400 (EDT)
From: "Steven M. Christey" <coley@...us.mitre.org>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: dovecot unauthorized login
> Subject: [Dovecot-news] Security hole #6: Some passdbs allowed users
> to log in without a valid password
> Date: Sun, 09 Mar 2008 13:09:44 +0200
> From: Timo Sirainen <tss@....fi>
> Reply-To: dovecot@...ecot.org
> To: Dovecot News List <dovecot-news@...ecot.org>
> CC: Dovecot Mailing List <dovecot@...ecot.org>
>
> ...
>
> The main problem is that Dovecot's internal protocols use TAB character
> as a delimiter, but passwords were sent unescaped through them. So
> passwords containing TAB characters allowed to add new internal fields.
> The main problem here is a new "skip_password_check" field added in
> v1.0.11 to fix problems with master user logins. Specifying this field
> allowed the user to skip the password check, as the name implies.
Use CVE-2008-1218
- Steve
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