Bug 1572766 (CVE-2018-10126)

Summary:	CVE-2018-10126 libtiff: NULL pointer dereference in the jpeg_fdct_16x16 function in jfdctint.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	erik-fedora, mike, nforro, phracek, tgl
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:	2018-05-08 18:03:11 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:	1572767, 1572768, 1572769, 1910609
Bug Blocks:	1565172

Description Laura Pardo 2018-04-27 19:16:22 UTC

A flaw was found in libtiff, a NULL pointer dereference in the jpeg_fdct_16x16 function in jfdctint.c file. An attacker could exploit this to cause a denial of service via crafted TIFF file


References:
http://bugzilla.maptools.org/show_bug.cgi?id=2786

Comment 1 Laura Pardo 2018-04-27 19:16:54 UTC

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1572768]


Created mingw-libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1572767]
Affects: epel-7 [bug 1572769]

Comment 6 Scott Gayou 2018-05-14 15:43:00 UTC

Statement:

This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 5, 6, and 7.