Bug 1487347 – CVE-2017-14041 openjpeg: Stack-based buffer over-write in pgxtoimage function in bin/jp2/convert.c

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Bug 1487347 - (CVE-2017-14041) CVE-2017-14041 openjpeg: Stack-based buffer over-write in pgxtoimage function in bin/jp2/convert.c

Summary:	CVE-2017-14041 openjpeg: Stack-based buffer over-write in pgxtoimage function...

Status:	CLOSED WONTFIX

Aliases:	CVE-2017-14041

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
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Whiteboard:	impact=moderate,public=20170831,repor...
Keywords:	Security

Depends On:	1487362 1487363 1487364 1487365 1487366
Blocks:	1487756
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Reported:	2017-08-31 13:14 EDT by Pedro Sampaio
Modified:	2017-10-09 08:26 EDT (History)
CC List:	10 users (show)

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Last Closed:	2017-09-04 00:02:40 EDT
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Description Pedro Sampaio 2017-08-31 13:14:15 EDT

A stack-based buffer overflow was discovered in the pgxtoimage function
in bin/jp2/convert.c in OpenJPEG 2.2.0. The vulnerability causes an
out-of-bounds write, which may lead to remote denial of service or
possibly remote code execution.

Upstream bug:

https://github.com/uclouvain/openjpeg/issues/997

Upstream patch:

https://github.com/uclouvain/openjpeg/commit/e5285319229a5d77bf316bb0d3a6cbd3cb8666d9

References:

https://bugzilla.novell.com/show_bug.cgi?id=1056562

Comment 1 Pedro Sampaio 2017-08-31 13:59:39 EDT

Created mingw-openjpeg tracking bugs for this issue:

Affects: fedora-all [bug 1487363]


Created mingw-openjpeg2 tracking bugs for this issue:

Affects: fedora-all [bug 1487365]


Created openjpeg tracking bugs for this issue:

Affects: fedora-all [bug 1487362]


Created openjpeg2 tracking bugs for this issue:

Affects: epel-all [bug 1487366]
Affects: fedora-all [bug 1487364]

Comment 2 Huzaifa S. Sidhpurwala 2017-09-04 00:01:37 EDT

Analysis:

A specially crafted JPG2 file can cause OOB write, which can cause application crash. Code execution seems to be unlikely on modern systems and the way buffer stack is overwritten (via fscanf() as seen from the patch).

Comment 3 Dominik Mierzejewski 2017-10-09 08:26:49 EDT

Is openjpeg-1.3 (RHEL6) and 1.5.1 (RHEL7) affected at all? I couldn't get 1.5.1's image_to_j2k tool to crash using the exploit image from Novell bugzilla.

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