Bug 1849971 (CVE-2018-18499)

Summary:	CVE-2018-18499 Mozilla: Same-origin policy violation using meta refresh and performance.getEntries to steal cross-origin URLs
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, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 60.2, thunderbird 60.2.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-09-23 08:41:07 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:	1623016, 1623017, 1623037, 1623039
Bug Blocks:	1623023, 1636820

Description msiddiqu 2020-06-23 10:17:10 UTC

A same-origin policy violation allowing the theft of cross-origin URL entries when using a `<meta> meta http-equiv="refresh"` on a page to cause a redirection to another site using `performance.getEntries()`. This is a same-origin policy violation and could allow for data theft.  



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-21/#CVE-2018-18499

Comment 1 msiddiqu 2020-06-23 10:17:18 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: James Lee (Kryptos Logic)

Comment 2 Product Security DevOps Team 2020-09-23 08:41:07 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-2018-18499