Bug 1441252 (CVE-2017-7597) - CVE-2017-7597 libtiff: Float out of range issue in tif_dirread.c
Summary: CVE-2017-7597 libtiff: Float out of range issue in tif_dirread.c
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-7597
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 13:44 UTC by Andrej Nemec
Modified: 2019-09-29 14:09 UTC (History)
4 users (show)

Fixed In Version:
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Environment:
Last Closed: 2017-04-11 14:35:22 UTC
Embargoed:

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Description Andrej Nemec 2017-04-11 13:44:29 UTC 
tif_dirread.c in LibTIFF has an "outside the range of representable values of type float" 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=2643

Upstream patch:

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

Affects: fedora-all [bug 1438465]
Comment 2 Andrej Nemec 2017-04-11 14:22:32 UTC 
Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1438466]
Comment 3 Andrej Nemec 2017-04-11 14:25:02 UTC 
Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1441273]
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