Bug 1812201 (CVE-2020-6807)

Summary:	CVE-2020-6807 Mozilla: Use-after-free in cubeb during stream destruction
Product:	[Other] Security Response	Reporter:	msiddiqu
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
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 68.6, thunderbird 68.6	Doc Type:	If docs needed, set a value
Doc Text:	The Mozilla Foundation Security Advisory describes this flaw as: When a device was changed while a stream was about to be destroyed, the `stream-reinit` task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-03-16 10:31:53 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:	1809421, 1809422, 1809423, 1809424, 1809425, 1809426, 1813109, 1813110, 1813111, 1813112, 1813113, 1813114
Bug Blocks:	1809419

Description msiddiqu 2020-03-10 18:43:06 UTC

When a device was changed while a stream was about to be destroyed, the `stream-reinit` task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-09/#CVE-2020-6807

Comment 1 msiddiqu 2020-03-10 18:43:10 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: C.M.Chang

Comment 2 errata-xmlrpc 2020-03-16 09:16:02 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:0815 https://access.redhat.com/errata/RHSA-2020:0815

Comment 3 errata-xmlrpc 2020-03-16 09:46:35 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:0816 https://access.redhat.com/errata/RHSA-2020:0816

Comment 4 Product Security DevOps Team 2020-03-16 10:31:53 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-2020-6807

Comment 5 errata-xmlrpc 2020-03-16 10:45:32 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:0819 https://access.redhat.com/errata/RHSA-2020:0819

Comment 6 errata-xmlrpc 2020-03-16 13:38:21 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:0820 https://access.redhat.com/errata/RHSA-2020:0820

Comment 7 errata-xmlrpc 2020-03-19 11:49:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:0905 https://access.redhat.com/errata/RHSA-2020:0905

Comment 8 errata-xmlrpc 2020-03-23 08:30:43 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:0918 https://access.redhat.com/errata/RHSA-2020:0918

Comment 9 errata-xmlrpc 2020-03-23 08:39:10 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:0919 https://access.redhat.com/errata/RHSA-2020:0919

Comment 10 errata-xmlrpc 2020-03-23 08:48:32 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:0914 https://access.redhat.com/errata/RHSA-2020:0914