Bug 1397726 (CVE-2016-9532)

Summary:	CVE-2016-9532 libtiff: Multiple uint32 overflows leading to heap buffer over-read
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
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, 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:	2017-01-17 08:23:33 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:	1397781, 1397782, 1397783
Bug Blocks:	1397777

Description Adam Mariš 2016-11-23 09:30:02 UTC

Multiple integer overflows were found in writeBufferToSeparateStrips(), writeBufferToContigTiles() and writeBufferToSeparateTiles() that could lead to out-of-bounds heap read.

Upstream bug:

http://bugzilla.maptools.org/show_bug.cgi?id=2592

CVE assignment:

http://seclists.org/oss-sec/2016/q4/487

Comment 1 Adam Mariš 2016-11-23 10:57:13 UTC

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1397781]

Comment 2 Adam Mariš 2016-11-23 10:57:20 UTC

Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1397782]
Affects: epel-7 [bug 1397783]

Comment 3 Huzaifa S. Sidhpurwala 2017-01-17 08:23:33 UTC

Upstream patch:

https://github.com/vadz/libtiff/commit/21d39de1002a5e69caa0574b2cc05d795d6fbfad