Bug 1579058 – CVE-2018-10963 libtiff: reachable assertion in TIFFWriteDirectorySec function in tif_dirwrite.c

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Bug 1579058 - (CVE-2018-10963) CVE-2018-10963 libtiff: reachable assertion in TIFFWriteDirectorySec function in tif_dirwrite.c

Summary:	CVE-2018-10963 libtiff: reachable assertion in TIFFWriteDirectorySec function...

Status:	NEW

Aliases:	CVE-2018-10963

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=20180509,reported=2...
Keywords:	Security

Depends On:	1579059 1579062 1598726 1579060 1579061
Blocks:	1577318
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Reported:	2018-05-16 18:00 EDT by Laura Pardo
Modified:	2018-07-06 06:20 EDT (History)
CC List:	6 users (show)

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Description Laura Pardo 2018-05-16 18:00:15 EDT

A flaw was found in LibTIFF through 4.0.9. TIFFWriteDirectorySec() function in tif_dirwrite.c allows remote attackers to cause a denial of service (assertion failure and application crash) via a crafted file.


References:
http://bugzilla.maptools.org/show_bug.cgi?id=2795

Patch:
https://gitlab.com/libtiff/libtiff/commit/de144fd228e4be8aa484c3caf3d814b6fa88c6d9

Comment 1 Laura Pardo 2018-05-16 18:00:47 EDT

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1579061]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1579062]
Affects: fedora-all [bug 1579059]

Comment 5 Riccardo Schirone 2018-07-06 06:20:44 EDT

Statement:

This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 5 and 6 as they did not include the vulnerable code.

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