Bug 1821676 (CVE-2020-6822)

Summary:	CVE-2020-6822 Mozilla: Out of bounds write in GMPDecodeData when processing large images
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, security-response-team, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 68.7, thunderbird 68.7.0	Doc Type:	If docs needed, set a value
Doc Text:	The Mozilla Foundation Security Advisory describes this flaw as: On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in GMPDecodeData. It is possible that with enough effort this could have been exploited to run arbitrary code.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-08 16:31:53 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:	1820211, 1820212, 1820213, 1820214, 1820215, 1820216, 1823642, 1823643, 1823644, 1823645, 1823646, 1823647, 1823648
Bug Blocks:	1820209

Description Marian Rehak 2020-04-07 12:06:10 UTC

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code.

Comment 2 msiddiqu 2020-04-08 00:29:51 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Deian Stefan

Comment 3 msiddiqu 2020-04-08 00:29:53 UTC

External References:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-13/#CVE-2020-6822

Comment 4 errata-xmlrpc 2020-04-08 13:36:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:1404 https://access.redhat.com/errata/RHSA-2020:1404

Comment 5 errata-xmlrpc 2020-04-08 16:27:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1406 https://access.redhat.com/errata/RHSA-2020:1406

Comment 6 Product Security DevOps Team 2020-04-08 16:31:53 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-2020-6822

Comment 7 errata-xmlrpc 2020-04-09 10:02:28 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1420 https://access.redhat.com/errata/RHSA-2020:1420

Comment 8 errata-xmlrpc 2020-04-14 07:50:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:1429 https://access.redhat.com/errata/RHSA-2020:1429

Comment 9 errata-xmlrpc 2020-04-16 10:03:05 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:1488 https://access.redhat.com/errata/RHSA-2020:1488

Comment 10 errata-xmlrpc 2020-04-16 10:03:32 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1489 https://access.redhat.com/errata/RHSA-2020:1489

Comment 11 errata-xmlrpc 2020-04-16 20:29:48 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:1496 https://access.redhat.com/errata/RHSA-2020:1496

Comment 12 errata-xmlrpc 2020-04-16 20:53:54 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1495 https://access.redhat.com/errata/RHSA-2020:1495