Bug 1644448 (CVE-2018-18661)

Summary:	CVE-2018-18661 libtiff: tiff2bw tool failed memory allocation leads to crash
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	erik-fedora, mhradile, mike, nforro, phracek, scorneli
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:	2019-08-06 19:20:01 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:	1644449, 1644450, 1644451, 1644452, 1647965
Bug Blocks:	1644454

Description Laura Pardo 2018-10-30 20:47:53 UTC

An issue was discovered in LibTIFF 4.0.9. There is a NULL pointer dereference in the function LZWDecode in the file tif_lzw.c. 


References:
http://bugzilla.maptools.org/show_bug.cgi?id=2819

Upstream Patch:
https://gitlab.com/libtiff/libtiff/commit/99b10edde9a0fc28cc0e7b7757aa18ac4c8c225f

Comment 1 Laura Pardo 2018-10-30 20:48:37 UTC

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1644449]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1644451]
Affects: fedora-all [bug 1644450]

Comment 4 Stefan Cornelius 2018-11-08 16:01:56 UTC

Statement:

This issue affects the versions of libtiff as shipped with Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Comment 9 errata-xmlrpc 2019-08-06 12:09:04 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2053 https://access.redhat.com/errata/RHSA-2019:2053

Comment 10 Product Security DevOps Team 2019-08-06 19:20:01 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-18661