Bug 1692182 (CVE-2019-9813)

Summary:	CVE-2019-9813 Mozilla: Ionmonkey type confusion with __proto__ mutations
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	urgent	Docs Contact:
Priority:	urgent
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:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:51:46 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:	1692183, 1692184, 1692185, 1692186, 1692551, 1692552, 1692553, 1692554, 1703886, 1703892
Bug Blocks:	1691861, 1692550

Description Doran Moppert 2019-03-24 23:03:41 UTC

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2019-10/#CVE-2019-9813

Comment 1 Doran Moppert 2019-03-24 23:03:43 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Niklas Baumstark via Trend Micro's Zero Day Initiative

Comment 7 errata-xmlrpc 2019-03-27 08:02:13 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:0671 https://access.redhat.com/errata/RHSA-2019:0671

Comment 8 errata-xmlrpc 2019-03-27 09:44:07 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2019:0672 https://access.redhat.com/errata/RHSA-2019:0672

Comment 9 errata-xmlrpc 2019-03-28 14:48:23 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2019:0680 https://access.redhat.com/errata/RHSA-2019:0680

Comment 10 errata-xmlrpc 2019-03-28 14:49:45 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:0681 https://access.redhat.com/errata/RHSA-2019:0681

Comment 11 errata-xmlrpc 2019-05-07 04:18:09 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:0966 https://access.redhat.com/errata/RHSA-2019:0966

Comment 12 errata-xmlrpc 2019-05-13 05:03:32 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:1144 https://access.redhat.com/errata/RHSA-2019:1144

Comment 13 Eric Christensen 2020-03-03 19:53:58 UTC

Statement:

In general, this flaw can be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts.