Bug 1464449 (CVE-2017-9815)

Summary:	CVE-2017-9815 libtiff: Memory leak in the TIFFReadDirEntryLong8Array function
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	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:	2017-06-23 12:49:13 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:	1464450
Bug Blocks:

Description Pedro Sampaio 2017-06-23 12:46:24 UTC

In LibTIFF 4.0.7, the TIFFReadDirEntryLong8Array function in
libtiff/tif_dirread.c mishandles a malloc operation, which allows
attackers to cause a denial of service (memory leak within the function
_TIFFmalloc in tif_unix.c) via a crafted file.

Upstream bug:
http://bugzilla.maptools.org/show_bug.cgi?id=2682

Comment 1 Pedro Sampaio 2017-06-23 12:46:32 UTC

External References:

http://somevulnsofadlab.blogspot.com.br/2017/06/libtiffmemory-leak-in-tiffmalloc.html

Comment 2 Pedro Sampaio 2017-06-23 12:46:56 UTC

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1464450]