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Date: Tue, 30 Dec 2014 20:21:50 -0700
From: Kurt Seifried <>
To: "" <>,
        Assign a CVE Identifier <>
Subject: CVE for net-mail/dbmail-3.2.2: CRAM-MD5 authentication bypass

link to git repo:

The bug seems to be around for the 3.2 series only (so current stable is
fine - but old). <- mailinglist
post of author about the vulnerability

a copy of the relevant mail here in case:
 Paul J Stevens | 19 Dec 22:55 2014
Security alert: disable CRAM-MD5 if you don't use it

Hi all,

It was brought to my attention that dbmail currently authenticates any
user with any password if the client issues an CRAM-MD5 authentication
exchange, while the user - which does need to exist - has it's password
stored in an encrypted format.

This affects all versions supporting cram-md5, so 3.0.0 and later.

Installations using authldap are *not* affected.

You should disable CRAM-MD5 in dbmail.conf if you store password encrypted.

A patch was already pushed to git both on and github.

I'll release a patched version asap.

Couldn'T get a hold of someone from security on IRC earlier so reporting
a Bug.

In case of an unstable version being the only affected one what would be
the best course of action? - I intend to package.mask 3.2.0 later when I
am on my dev box again (I never added 3.2.1) and also I'D like to
stable-req 3.1.17, since I just added 3.2.2 -- or would this warrant
going for a faster STABLE-REQ of current 3.2.2 with the security fix?

Please let me know what would be the preferred course of action from
your point of view.

Kurt Seifried -- Red Hat -- Product Security -- Cloud
PGP A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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