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Date: Thu, 7 Jan 2016 21:41:57 -0500 (EST)
From: cve-assign@...re.org
To: limingxing@....cn
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: Integer overflow in the JasPer's jas_matrix_create() function
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>> https://bugzilla.redhat.com/show_bug.cgi?id=1294039
> We find a vulnerability in the way JasPer's jas_matrix_create()
> function parsed certain JPEG 2000 image files.
>
> jas_matrix_t *jas_matrix_create(int numrows, int numcols)
> {
> .......
>
> if (matrix->maxrows_ > 0) {
> if (!(matrix->rows_ = jas_malloc(matrix->maxrows_ *
> sizeof(jas_seqent_t *)))) {
>
> matrix->maxrows_ > 0 ,but matrix->maxrows_ *sizeof(jas_seqent_t *)
> can cause Integer overflow.
>
> Despite this library is used by many programs
> (http://www.ece.uvic.ca/~frodo/jasper/#overview), there is no one
> providing support.
Use CVE-2015-8751.
- --
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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