Bug 1488886 – CVE-2017-13726 libtiff: Reachable assertion abort in the function TIFFWriteDirectorySec()

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Bug 1488886 - (CVE-2017-13726) CVE-2017-13726 libtiff: Reachable assertion abort in the function TIFFWriteDirectorySec()

Summary:	CVE-2017-13726 libtiff: Reachable assertion abort in the function TIFFWriteDi...

Status:	NEW

Aliases:	CVE-2017-13726

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

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20170821,reported=2...
Keywords:	Security

Depends On:	1474372 1474373 1474374
Blocks:
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Reported:	2017-09-06 07:57 EDT by Andrej Nemec
Modified:	2017-09-06 07:59 EDT (History)
CC List:	4 users (show)

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Description Andrej Nemec 2017-09-06 07:57:01 EDT

There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a denial of service attack.

Upstream issue:

http://bugzilla.maptools.org/show_bug.cgi?id=2727

Comment 1 Andrej Nemec 2017-09-06 07:59:16 EDT

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1474373]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1474372]
Affects: fedora-all [bug 1474374]

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