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Re: CVE request: Dovecot DoS in 2.x (fixed in 2.1.11)
From: Vincent Danen <vdanen () redhat com>
Date: Tue, 4 Dec 2012 15:48:21 -0700

* [2012-12-04 23:01:42 +0100] Moritz Muehlenhoff wrote:

On Tue, Dec 04, 2012 at 06:12:29PM +0100, Matthias Weckbecker wrote:
Hi Kurt, Vincent, vendors, ...

Quoting Kurt Seifried <kseifried () redhat com>:
>Hash: SHA1
>On 12/03/2012 10:33 AM, Vincent Danen wrote:
>>Could a CVE be assigned for the following please?
>>Dovecot 2.1.11 was released and includes a fix for a crash
>>condition when the IMAP server was issued a SEARCH command with
>>multiple KEYWORD parameters.  An authenticated remote user could
>>use this flaw to crash Dovecot.
>Please use CVE-2012-5620 for this issue.

We were discussing this issue too at [1] and think that it does only
affect the current connection, no subsequent (i.e. new) connections
are affected.

What's your opinion wrt this?

[1] https://bugzilla.novell.com/show_bug.cgi?id=792642

Upstream (Timo Sirainen) disputed the issue in the Debian BTS:

Ahhh... yes, Timo is correct.  If you're only DoS'ing your own
connection, I wouldn't consider this a flaw.

I (mistakenly) thought this took down the entire dovecot server.  My

Can we have this CVE rejected or disputed?  As Timo says, it's a
pointless CVE.

Thanks, and sorry about that.

Vincent Danen / Red Hat Security Response Team

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