Bug 1396980 (CVE-2016-9398) - CVE-2016-9398 jasper: reachable assertion in jpc_floorlog2()
Summary: CVE-2016-9398 jasper: reachable assertion in jpc_floorlog2()
Keywords:
Status: NEW
Alias: CVE-2016-9398
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: impact=low,public=20161116,reported=2...
Depends On: 1434464 1396987 1396988 1396989
Blocks: 1449402
TreeView+ depends on / blocked
 
Reported: 2016-11-21 10:21 UTC by Adam Mariš
Modified: 2019-06-08 21:35 UTC (History)
23 users (show)

Fixed In Version:
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Description Adam Mariš 2016-11-21 10:21:40 UTC
An assertion failure was possible to trigger in jpc_floorlog2.

CVE assignment:

http://seclists.org/oss-sec/2016/q4/441

Comment 1 Adam Mariš 2016-11-21 10:37:31 UTC
Created mingw-jasper tracking bugs for this issue:

Affects: fedora-all [bug 1396987]
Affects: epel-7 [bug 1396989]

Comment 2 Adam Mariš 2016-11-21 10:37:52 UTC
Created jasper tracking bugs for this issue:

Affects: fedora-all [bug 1396986]
Affects: epel-5 [bug 1396988]

Comment 3 Tomas Hoger 2016-11-29 21:13:25 UTC
Original reporter's advisory:

https://blogs.gentoo.org/ago/2016/11/16/jasper-multiple-assertion-failure/

Upstream bug report:

https://github.com/mdadams/jasper/issues/71

Test case:

https://github.com/asarubbo/poc/blob/master/00023-jasper-assert-jpc_floorlog2

This issue has not been fixed upstream yet - the issue is reproducible with the current git master, hence still affecting upstream version 2.0.1.

Comment 5 Tomas Hoger 2016-11-30 08:50:55 UTC
Quoting relevant part of the original reporter's advisory for posterity:

Affected version:
1.900.17

Output/failure:
imginfo: /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_math.c:94: int jpc_floorlog2(int): Assertion `x > 0′ failed.

Commit fix:
N/A

Fixed version:
N/A

Testcase:
https://github.com/asarubbo/poc/blob/master/00023-jasper-assert-jpc_floorlog2

CVE:
CVE-2016-9398

Comment 6 Tomas Hoger 2017-03-01 14:21:50 UTC
Remains unfixed in 2.0.11.


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