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Date: Sun, 9 Mar 2008 20:13:45 -0400 (EDT)
From: "Steven M. Christey" <>
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 <>
> Reply-To:
> To: Dovecot News List <>
> CC: Dovecot Mailing List <>
> ...
> 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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