Bug 1441260 (CVE-2017-7600) - CVE-2017-7600 libtiff: Unsigned char out of range in tif_dirwrite.c
Summary: CVE-2017-7600 libtiff: Unsigned char out of range in tif_dirwrite.c
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-7600
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: 1438465 1438466 1441273
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-04-11 13:54 UTC by Andrej Nemec
Modified: 2019-09-29 14:09 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2017-04-11 14:35:48 UTC
Embargoed:

Attachments (Terms of Use)

Description Andrej Nemec 2017-04-11 13:54:27 UTC 
LibTIFF has an "outside the range of representable values of type unsigned char" undefined behavior issue, which might allow attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image.

Upstream bug:

http://bugzilla.maptools.org/show_bug.cgi?id=2647

Upstream patch:

https://github.com/vadz/libtiff/commit/3144e57770c1e4d26520d8abee750f8ac8b75490
Comment 1 Andrej Nemec 2017-04-11 14:18:27 UTC 
Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1438465]
Comment 2 Andrej Nemec 2017-04-11 14:22:48 UTC 
Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1438466]
Comment 3 Andrej Nemec 2017-04-11 14:25:20 UTC 
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1441273]
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