Date: Fri, 14 Jul 2017 23:50:03 +0200 From: Hanno Böck <hanno@...eck.de> To: oss-security@...ts.openwall.com Subject: Re: CVE-2017-1000083: evince: Command injection vulnerability in CBT handler Hi, When I saw this and the proposed fix (the backport fix, not the one in git head), which was to remove tar support, but leave the command line calling of all the other tools looked suspicious to me. I played around a while, I haven't been able to find any more command injections. However I discussed this with Tobias Müller and he found out that another evince backend - the dvi one - also calls a shell command with insufficient escaping: https://bugzilla.gnome.org/show_bug.cgi?id=784947 While I didn't find any more command injections, I figured out that with a password protected zip file as a cbz one can cause evince to hang: https://bugzilla.gnome.org/show_bug.cgi?id=784963 -- Hanno Böck https://hboeck.de/ mail/jabber: hanno@...eck.de GPG: FE73757FA60E4E21B937579FA5880072BBB51E42 Content of type "application/pgp-signature" skipped
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