Date: Mon, 17 Aug 2015 11:02:39 +0200 From: Raphael Geissert <geissert@...ian.org> To: Open Source Security <oss-security@...ts.openwall.com> Cc: gustavo.grieco@...il.com Subject: Re: Double free corruption in JasPer JPEG-2000 implementation (CVE-2015-5203) Hi, On 16 August 2015 at 20:48, mancha <mancha1@...o.com> wrote: > On Sun, Aug 16, 2015 at 05:22:50PM +0200, Gustavo Grieco wrote: >> A new double free affecting JasPer JPEG-2000 (libjasper 1.900) has >> been found triggered by function jasper_image_stop_load. Despite this >> library is used by many programs ( >> http://www.ece.uvic.ca/~frodo/jasper/#overview), there is no one >> providing support, so there is no fix so far. > > If you email me your crasher I can look into a fix. Last time I ran zzuf on jasper there were plenty of crashes and bugs that triggered a high resource consumption - pretty much like the ones I found on openjpeg at work. They looked less severe, however. I should still have some samples in another machine, if anyone is interested in taking a look at those and/or using them as a base for further fuzzing. Cheers, -- Raphael Geissert - Debian Developer www.debian.org - get.debian.net
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