Date: Fri, 15 Apr 2011 16:50:02 +0200 From: Tomas Hoger <thoger@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: CVE request for Thunar (format string errors) On Fri, 15 Apr 2011 15:54:08 +0200 Yves-Alexis Perez wrote: > The first one is > http://git.xfce.org/xfce/thunar/commit/?id=1d4dfafda30df071d7c1e0b370f0613cbc92ba74 > (bug at https://bugzilla.xfce.org/show_bug.cgi?id=7128) fixed in > Thunar 1.2.1) and triggers when creating file from templates and > calling it with a format string. Does this have real attack vector where trust boundary is crossed? This sounds like a bug. > The second is > http://git.xfce.org/xfce/thunar/commit/?id=03dd312e157d4fa8a11d5fa402706ae5b05806fa > and is triggered when copy/pasting a file named from a format string. > There's no released version including the fix right now. This would probably qualify. > As a side note, I do use -Wformat -Wformat-security > -Werror=format-security (thanks to hardening-includes) for my Debian > builds, but as those function are wrappers of wrappers of wrappers to > printf() and stuff like that, -Wformat-security won't help. Is there a > way to work around that? Fortify source should block code execution even in this case, I'd expect. -- Tomas Hoger / Red Hat Security Response Team
Powered by blists - more mailing lists
Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.