Bug 1661465 (CVE-2018-19871)

Summary:	CVE-2018-19871 qt5-qtimageformats: QTgaFile CPU exhaustion
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jgrulich
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 13:21:09 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:	1661466, 1661467, 1661468, 1661469, 1667879, 1667881, 1667883
Bug Blocks:	1661470

Description Andrej Nemec 2018-12-21 10:14:42 UTC

A TGA handler of QT imageformats incorrectly checks for large image sizes. A malformed image file could cause CPU exhaustion and denial of service.

References:

https://codereview.qt-project.org/#/c/237761/

Comment 1 Andrej Nemec 2018-12-21 10:14:59 UTC

Created mingw-qt5-qtimageformats tracking bugs for this issue:

Affects: epel-7 [bug 1661469]
Affects: fedora-all [bug 1661466]


Created qt5-qtimageformats tracking bugs for this issue:

Affects: epel-6 [bug 1661468]
Affects: fedora-all [bug 1661467]

Comment 2 Stefan Cornelius 2019-01-23 12:51:16 UTC

Statement:

This issue affects the versions of qt5-qtimageformats and qt as shipped with Red Hat Enterprise Linux 7.

Comment 3 errata-xmlrpc 2019-08-06 12:18:48 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2135 https://access.redhat.com/errata/RHSA-2019:2135

Comment 4 Product Security DevOps Team 2019-08-06 13:21:09 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-2018-19871

Comment 5 errata-xmlrpc 2020-03-31 19:30:25 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1172 https://access.redhat.com/errata/RHSA-2020:1172

Comment 6 errata-xmlrpc 2020-04-28 15:37:02 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1665 https://access.redhat.com/errata/RHSA-2020:1665