Bug 1861644 (CVE-2020-15655)

Summary:	CVE-2020-15655 Mozilla: Extension APIs could be used to bypass Same-Origin Policy
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	thunderbird 78.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-08-20 03:15:18 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:
Bug Blocks:	1861032

Description Doran Moppert 2020-07-29 07:03:04 UTC

Mozilla Developer Rob Wu discovered that a redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-33/#CVE-2020-15655

Comment 1 Doran Moppert 2020-07-29 07:03:08 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Rob Wu

Comment 2 Product Security DevOps Team 2020-08-20 03:15:18 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-2020-15655