Bug 1876518 (CVE-2020-3864)

Summary:	CVE-2020-3864 webkitgtk: Non-unique security origin for DOM object contexts
Product:	[Other] Security Response	Reporter:	Tomas Hoger <thoger>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	erack, mcatanza, tpopela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	webkitgtk 2.26.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-09-29 22:02:26 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:	1877119, 1877358
Bug Blocks:	1876477

Description Tomas Hoger 2020-09-07 11:46:58 UTC

WebKitGTK Security Advisory WSA-2020-0002 describes the following issue:

CVE-2020-3864

Impact: A DOM object context may not have had a unique security origin. Description: A logic issue was addressed with improved validation.

Versions affected: WebKitGTK before 2.26.4 and WPE WebKit before 2.26.4.

Comment 1 Tomas Hoger 2020-09-07 11:47:04 UTC

External References:

https://webkitgtk.org/security/WSA-2020-0002.html

Comment 3 errata-xmlrpc 2020-09-29 20:46:38 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:4035 https://access.redhat.com/errata/RHSA-2020:4035

Comment 4 Product Security DevOps Team 2020-09-29 22:02:26 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-2020-3864

Comment 5 errata-xmlrpc 2020-11-04 01:04:09 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4451 https://access.redhat.com/errata/RHSA-2020:4451