Bug 1488886 (CVE-2017-13726)

Summary:	CVE-2017-13726 libtiff: Reachable assertion abort in the function TIFFWriteDirectorySec()
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	erik-fedora, mike, nforro, phracek
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:24:24 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1474372, 1474373, 1474374, 1910614
Bug Blocks:

Description Andrej Nemec 2017-09-06 11:57:01 UTC

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 11:59:16 UTC

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]