Bug 1595035 – CVE-2018-12370 Mozilla: SameSite cookie protections bypassed when exiting Reader View

Bugzilla will be upgraded to version 5.0. The upgrade date is tentatively scheduled for 2 December 2018, pending final testing and feedback.

Bug 1595035 - (CVE-2018-12370) CVE-2018-12370 Mozilla: SameSite cookie protections bypassed when exiting Reader View

Summary:	CVE-2018-12370 Mozilla: SameSite cookie protections bypassed when exiting Rea...

Status:	CLOSED NOTABUG

Aliases:	CVE-2018-12370

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=low,public=20180626,reported=2...
Keywords:	Security

Depends On:
Blocks:	1590698
	Show dependency tree / graph

Reported:	2018-06-25 21:53 EDT by Doran Moppert
Modified:	2018-06-26 20:59 EDT (History)
CC List:	5 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2018-06-26 20:12:41 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Doran Moppert 2018-06-25 21:53:05 EDT

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 2018-06-25 21:53:09 EDT

Acknowledgments:

Name: the Mozilla project
Upstream: Jun Kokatsu

Note You need to log in before you can comment on or make changes to this bug.