Bug 1642187 – CVE-2018-12397 Mozilla: WebExtension local file permission check bypass

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Bug 1642187 - (CVE-2018-12397) CVE-2018-12397 Mozilla: WebExtension local file permission check bypass

Summary:	CVE-2018-12397 Mozilla: WebExtension local file permission check bypass

Status:	NEW

Aliases:	CVE-2018-12397

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

Priority	medium Severity medium
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Target Release:	---
Assigned To:	Red Hat Product Security
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URL:
Whiteboard:	impact=moderate,public=20181023,repor...
Keywords:	Security

Depends On:	1640852 1640854
Blocks:	1640850
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Reported:	2018-10-23 18:08 EDT by Doran Moppert
Modified:	2018-10-24 18:10 EDT (History)
CC List:	4 users (show)

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2018:3005	None	None	None	2018-10-24 18:09 EDT
Red Hat Product Errata	RHSA-2018:3006	None	None	None	2018-10-24 18:10 EDT

Groups: None (edit)

Description Doran Moppert 2018-10-23 18:08:26 EDT

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12397

Comment 1 Doran Moppert 2018-10-23 18:08:36 EDT

Acknowledgments:

Name: the Mozilla project
Upstream: Rob Wu

Comment 2 errata-xmlrpc 2018-10-24 18:09:43 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3005 https://access.redhat.com/errata/RHSA-2018:3005

Comment 3 errata-xmlrpc 2018-10-24 18:10:08 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2018:3006 https://access.redhat.com/errata/RHSA-2018:3006

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