Bug 1438452

Summary:	libtiff: Divide-by-zero in tif_read.c and tiffiop.h
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	carnil, 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:	2017-04-03 13:07:22 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:

Description Andrej Nemec 2017-04-03 12:53:15 UTC

A divide-by-zero vulnerability was found in libtiff. A maliciously crafted file could cause the application to crash.

Upstream patch:

https://github.com/vadz/libtiff/commit/438274f938e046d33cb0e1230b41da32ffe223e1

Upstream bug:

http://bugzilla.maptools.org/show_bug.cgi?id=2596

Comment 1 Andrej Nemec 2017-04-03 13:16:15 UTC

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1438464]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1438466]
Affects: fedora-all [bug 1438465]

Comment 2 Salvatore Bonaccorso 2017-04-04 06:14:12 UTC

Hi

Is this a duplicate of CVE-2016-10266?

Comment 3 Andrej Nemec 2017-04-04 07:32:53 UTC

(In reply to Salvatore Bonaccorso from comment #2)
> Hi
> 
> Is this a duplicate of CVE-2016-10266?

Looks like I mispunched 3 instead of 6 at the end of a CVE number... Thanks for spotting it, I will close it as a duplicate.

*** This bug has been marked as a duplicate of bug 1438472 ***

Comment 4 Salvatore Bonaccorso 2017-04-04 15:04:48 UTC

Hi Andrej,

Perfect thank you for the quick confirmation!

Regards,
Salvatore