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Date: Thu, 29 Jan 2015 13:58:00 -0500
From: Marc Deslauriers <marc.deslauriers@...onical.com>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: xchat/hexchat don't properly verify
SSL certificates
On 2015-01-29 01:52 PM, Vincent Danen wrote:
> As reported [1]:
>
> XChat did not verify that the server hostname matched the domain name in the
> subject's Common Name (CN) or subjectAltName field in X.509 certificates. This
> could allow a man-in-the-middle attacker to spoof an SSL server if they had a
> certificate that was valid for any domain name.
>
> The same code is used in hexchat.
>
> This was initially reported to hexchat in 2013 [2] and fixed last November [3].
> I'm not sure if it should receive a 2013 or a 2014 CVE. Can one be assigned to
> this?
>
> Thanks.
>
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1081839
> [2] https://github.com/hexchat/hexchat/issues/524
> [3]
> https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
>
Looks like XChat-GNOME is vulnerable also.
Marc.
--
Marc Deslauriers
Ubuntu Security Engineer | http://www.ubuntu.com/
Canonical Ltd. | http://www.canonical.com/
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