Bug 1595035 (CVE-2018-12370)

Summary:	CVE-2018-12370 Mozilla: SameSite cookie protections bypassed when exiting Reader View
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	cschalle, gecko-bugs-nobody, jhorak, security-response-team, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Last Closed:	2018-06-27 00:12:41 UTC	Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1590698

Description Doran Moppert 2018-06-26 01:53:05 UTC

In Reader View SameSite cookie protections are not checked on exiting. This allows for a payload to be triggered when Reader View is exited if loaded by a malicious site while Reader mode is active, bypassing CSRF protections.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-16/#CVE-2018-12370

Comment 1 Doran Moppert 2018-06-26 01:53:09 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Jun Kokatsu