Bug 1479209 – CVE-2017-7791 Mozilla: Spoofing following page navigation with data: protocol and modal alerts (MFSA 2017-19)

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Bug 1479209 - (CVE-2017-7791) CVE-2017-7791 Mozilla: Spoofing following page navigation with data: protocol and modal alerts (MFSA 2017-19)

Summary:	CVE-2017-7791 Mozilla: Spoofing following page navigation with data: protocol...

Status:	CLOSED ERRATA

Aliases:	CVE-2017-7791

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:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20170808,repor...
Keywords:	Security

Depends On:
Blocks:	1477026
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Reported:	2017-08-08 02:46 EDT by Doran Moppert
Modified:	2017-08-24 03:33 EDT (History)
CC List:	5 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
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Environment:
Last Closed:	2017-08-24 03:33:59 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2017:2456	normal	SHIPPED_LIVE	Critical: firefox security update	2017-08-10 23:20:02 EDT
Red Hat Product Errata	RHSA-2017:2534	normal	SHIPPED_LIVE	Important: thunderbird security update	2017-08-24 06:45:27 EDT

Groups: None (edit)

Description Doran Moppert 2017-08-08 02:46:06 EDT

The `data:` protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, allowing for the spoofing of the origin of the iframe content.


External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-19/#CVE-2017-7791


Acknowledgements:

Name: the Mozilla project
Upstream: Jose María Acuña

Comment 1 errata-xmlrpc 2017-08-10 19:21:13 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 6

Via RHSA-2017:2456 https://access.redhat.com/errata/RHSA-2017:2456

Comment 2 errata-xmlrpc 2017-08-24 02:46:31 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:2534 https://access.redhat.com/errata/RHSA-2017:2534

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