Bug 1265624 - (CVE-2015-4508) CVE-2015-4508 Mozilla: URL spoofing in reader mode (MFSA 2015-103)
CVE-2015-4508 Mozilla: URL spoofing in reader mode (MFSA 2015-103)
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
low Severity low
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Assigned To: Red Hat Product Security
: Security
Depends On:
Blocks: 1261782
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Reported: 2015-09-23 07:30 EDT by Prasad J Pandit
Modified: 2015-09-24 13:47 EDT (History)
4 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-09-24 13:43:56 EDT
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Description Prasad J Pandit 2015-09-23 07:30:17 EDT
Security researcher Juho Nurminen reported a mechanism to spoof the
URL displayed in the addressbar in reader mode by manipulating the loaded
URL. This flaw allows for the URL displayed to be different than that the web
content rendered. This allows for potential spoofing but the effects are
mitigated due to the restrictions reader mode places when rendering content.

Upstream bug:


External References:

Comment 1 Martin Prpič 2015-09-24 08:34:18 EDT

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Juho Nurminen as the original reporter.
Comment 2 Martin Prpič 2015-09-24 13:43:56 EDT
This issue was fixed in Firefox version 41.

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