Bug 1398189 (CVE-2016-9559) - CVE-2016-9559 ImageMagick: Null pointer dereference in tiff.c
Summary: CVE-2016-9559 ImageMagick: Null pointer dereference in tiff.c
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2016-9559
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:
Depends On: 1413898 1540256 1540257
Blocks: 1381146
TreeView+ depends on / blocked
 
Reported: 2016-11-24 09:38 UTC by Andrej Nemec
Modified: 2022-03-13 14:08 UTC (History)
16 users (show)

Fixed In Version:
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Last Closed: 2017-11-21 05:25:28 UTC
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Description Andrej Nemec 2016-11-24 09:38:00 UTC 
A null pointer dereference vulnerability was found in ImageMagick in tiff.c, triggered by crafted image being opened.

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/b61d35eaccc0a7ddeff8a1c3abfcd0a43ccf210b

References:

http://seclists.org/oss-sec/2016/q4/472
Comment 1 Adam Mariš 2017-01-17 09:19:50 UTC 
Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1413891]
Comment 2 Adam Mariš 2017-01-17 09:31:40 UTC 
Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1413898]
Comment 3 Huzaifa S. Sidhpurwala 2017-01-20 09:42:51 UTC 
ImageMagick code uses the libtiff library to query tag data via TIFFGetField(), but the return from the function, could be null, which is not checked. This later causes null pointer deref when the value is being used.
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