Bug 1389228 (CVE-2016-5875)

Summary:	CVE-2016-5875 libtiff: PixarLogDecode Heap Buffer Overflow
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	carnil, dominik.mierzejewski, erik-fedora, nforro, phracek, sardella, slawomir
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:	2017-01-12 07:57:17 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:	1389231, 1389232, 1389233
Bug Blocks:	1346703, 1389235

Description Andrej Nemec 2016-10-27 08:42:11 UTC

An exploitable heap based buffer overflow exists in the handling of compressed TIFF images in LibTIFF’s PixarLogDecode api. A crafted TIFF document can lead to a heap based buffer overflow resulting in remote code execution. The vulnerability can be triggered through any user controlled TIFF that is handled by this functionality.

External References:

http://www.talosintelligence.com/reports/TALOS-2016-0205

Comment 1 Andrej Nemec 2016-10-27 08:47:21 UTC

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1389231]

Comment 2 Andrej Nemec 2016-10-27 08:47:27 UTC

Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1389232]
Affects: epel-7 [bug 1389233]

Comment 3 Salvatore Bonaccorso 2016-10-28 05:08:15 UTC

Hi

According to TALOS-2016-0205 the actual CVE ID should be CVE-2016-5875. So is the CVE-2016-5857 alias a typo?

Thanks already for clarification.

Regards,
Salvatore

Comment 4 Tomas Hoger 2016-10-28 07:31:50 UTC

Seem like a typo, yes.  Fixing.  Thank you!

Comment 6 Huzaifa S. Sidhpurwala 2017-01-10 07:59:34 UTC

Patch:

https://github.com/vadz/libtiff/commit/391e77fcd217e78b2c51342ac3ddb7100ecacdd2

Comment 8 Huzaifa S. Sidhpurwala 2017-01-12 07:57:17 UTC

Statement:

This security flaw is addressed by the patch released for CVE-2016-5320. Therefore Red Hat Enterprise Linux packages are not affected.

Comment 10 Stefan Cornelius 2017-06-27 08:58:25 UTC

*** Bug 1346689 has been marked as a duplicate of this bug. ***

Comment 11 Stefan Cornelius 2017-06-27 11:52:05 UTC

*** Bug 1346697 has been marked as a duplicate of this bug. ***