Re: Double free corruption in JasPer JPEG-2000 implementation (CVE-2015-5203)

[mancha <mancha1 () zoho com>]

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.
>
> This vulnerability was found by QuickFuzz.
>
> Regards, Gustavo.

Hi all.

This is the CVE-2015-5203 fix I shared with Gustavo:

http://sf.net/projects/mancha/files/sec/jasper-1.900.1_CVE-2015-5203.diff

--mancha (https://twitter.com/mancha140)

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