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Date: Wed, 13 Jan 2016 12:51:42 -0500 (EST)
From: cve-assign@...re.org
To: limingxing@....cn
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: Out-of-bounds Read in the JasPer's jpc_pi_nextcprl() function

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> We find a vulnerability in the way JasPer's jpc_pi_nextcprl() function parsed certain JPEG 2000 image files.
> I was successful in reproducing this issuel in the jasper-1.900.1-31.fc23.src.
> 
> Starting program: ./jasper-1.900.1-31.fc23.src/jasper-1.900.1/src/appl/jasper -f ./jasper_poc/poc.jp2 -F temp.bmp -t jp2 -T bmp
> warning: trailing garbage in marker segment (6 bytes)
> 
> Program received signal SIGSEGV, Segmentation fault.
> jpc_pi_nextcprl (pi=0x80a4ab0) at jpc_t2cod.c:435
> 435				  pi->xstep = pi->picomp->hsamp * (1 << (pirlvl->prcwidthexpn +
> (gdb) bt
> #0  jpc_pi_nextcprl (pi=0x80a4ab0) at jpc_t2cod.c:435

Use CVE-2016-1867.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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