Bug 1801916 (CVE-2020-6796)

Summary:	CVE-2020-6796 Mozilla: Missing bounds check on shared memory read in the parent process
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	jhorak, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 68.5	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-02-17 14:13:10 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:	1798931, 1798932, 1798933, 1798934, 1798935, 1798936
Bug Blocks:	1798927

Description Doran Moppert 2020-02-11 22:41:44 UTC

A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6796

Comment 1 Doran Moppert 2020-02-11 22:41:48 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Thomas Imbert

Comment 2 errata-xmlrpc 2020-02-17 08:29:56 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:0512 https://access.redhat.com/errata/RHSA-2020:0512

Comment 3 errata-xmlrpc 2020-02-17 09:54:18 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:0519 https://access.redhat.com/errata/RHSA-2020:0519

Comment 4 errata-xmlrpc 2020-02-17 12:21:27 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:0521 https://access.redhat.com/errata/RHSA-2020:0521

Comment 5 errata-xmlrpc 2020-02-17 12:36:40 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:0520 https://access.redhat.com/errata/RHSA-2020:0520

Comment 6 Product Security DevOps Team 2020-02-17 14:13:10 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-2020-6796