Date: Thu, 29 Jan 2015 19:24:19 +0000 From: Sam Dodrill <shadow.h511@...il.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request: xchat/hexchat don't properly verify SSL certificates 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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