Bug 1576267 – CVE-2018-5166 Mozilla: WebExtension host permission bypass through filterReponseData

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Bug 1576267 - (CVE-2018-5166) CVE-2018-5166 Mozilla: WebExtension host permission bypass through filterReponseData

Summary:	CVE-2018-5166 Mozilla: WebExtension host permission bypass through filterRepo...

Status:	NEW

Aliases:	CVE-2018-5166

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

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
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URL:
Whiteboard:	impact=moderate,public=20180509,repor...
Keywords:	Security

Depends On:
Blocks:	1573375
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Reported:	2018-05-09 03:14 EDT by Doran Moppert
Modified:	2018-05-24 01:17 EDT (History)
CC List:	5 users (show)

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Description Doran Moppert 2018-05-09 03:14:51 EDT

WebExtensions can use request redirection and a `filterReponseData` filter to bypass host permission settings to redirect network traffic and access content from a host for which they do not have explicit user permissions.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5166

Comment 1 Doran Moppert 2018-05-09 03:14:56 EDT

Acknowledgments:

Name: the Mozilla project
Upstream: Francois Lajeunesse Robert

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