Date: Thu, 29 Jan 2015 15:04:52 -0800 From: Reed Loden <reed@...dloden.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request: xchat/hexchat don't properly verify SSL certificates You're welcome to check the "Accept invalid SSL certificates" box in that case, but the default should be that SSL/TLS certificates are correctly validated. :) ~reed On Thu, Jan 29, 2015 at 11:24 AM, Sam Dodrill <shadow.h511@...il.com> wrote: > A lot of the time IRC networks will not pay for a verified SSL cert due to > the fact that the kind of SSL cert they would need (a wildcard one) is > financially prohibitive. I don't think this is a security bug with hexchat > more a symptom of the fact that SSL combines encryption and identity > verification where sometimes people only want the former. > > On Thu Jan 29 2015 at 10:58:51 AM Marc Deslauriers < > marc.deslauriers@...onical.com> wrote: > > > On 2015-01-29 01:52 PM, Vincent Danen wrote: > > > As reported : > > > > > > 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  and fixed last > > November . > > > I'm not sure if it should receive a 2013 or a 2014 CVE. Can one be > > assigned to > > > this? > > > > > > Thanks. > > > > > >  https://bugzilla.redhat.com/show_bug.cgi?id=1081839 > > >  https://github.com/hexchat/hexchat/issues/524 > > >  > > > > https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a > > 4910a7e02d > > > > > > > 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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