Date: Mon, 17 Aug 2015 15:04:42 +0000 From: mancha <mancha1@...o.com> To: oss-security@...ts.openwall.com Cc: gustavo.grieco@...il.com Subject: Re: Double free corruption in JasPer JPEG-2000 implementation (CVE-2015-5203) On Sun, Aug 16, 2015 at 06:48:49PM +0000, mancha 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. > > > > > This vulnerability was found by QuickFuzz. > > > > Regards, Gustavo. > > --mancha (https://twitter.com/mancha140) By way of update, Gustavo shared his crasher with me and I've since provided him with a patch that solves the most immediate cause of the double free. However, in my review I've found other issues that require some TLC. I am waiting to hear back from Gustavo for his feedback. --mancha Content of type "application/pgp-signature" skipped
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