Bug 1801957 (CVE-2020-6795)

Summary:	CVE-2020-6795 Mozilla: Crash processing S/MIME messages with multiple signatures
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
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, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	thunderbird 68.5	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-02-21 03:49:54 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:	1801946, 1801947, 1801948, 1801949, 1801950, 1801951
Bug Blocks:	1801944

Description Doran Moppert 2020-02-11 23:57:51 UTC

When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/#CVE-2020-6795

Comment 1 Doran Moppert 2020-02-11 23:57:56 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Stephan Lauffer

Comment 2 errata-xmlrpc 2020-02-20 22:15:45 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:0565 https://access.redhat.com/errata/RHSA-2020:0565

Comment 3 Product Security DevOps Team 2020-02-21 03:49:54 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-2020-6795

Comment 4 errata-xmlrpc 2020-02-24 12:16:52 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:0577 https://access.redhat.com/errata/RHSA-2020:0577

Comment 5 errata-xmlrpc 2020-02-24 12:32:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:0574 https://access.redhat.com/errata/RHSA-2020:0574

Comment 6 errata-xmlrpc 2020-02-24 12:49:06 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:0576 https://access.redhat.com/errata/RHSA-2020:0576