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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Plugin Request Processing Lets Remote Users Bypass Security Restrictions on the Target System
SecurityTracker Alert ID:  1035007
SecurityTracker URL:  http://securitytracker.com/id/1035007
CVE Reference:   CVE-2016-1949   (Links to External Site)
Date:  Feb 12 2016
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 44.0.2
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can bypass security controls on the target system.

Service workers can intercept the responses to plugin network requests from the browser. A remote user can forge responses to bypass plugin-based security restrictions, including same-origin policy restrictions.

Jason Pang of OneSignal reported this vulnerability.

Impact:   A remote user can bypass plugin-based security restrictions, including same-origin policy restrictions.
Solution:   The vendor has issued a fix (44.0.2).

The vendor's advisory is available at:

https://www.mozilla.org/en-US/security/advisories/mfsa2016-13/

Vendor URL:  www.mozilla.org/en-US/security/advisories/mfsa2016-13/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Feb 12 2016 (Ubuntu Issues Fix) Mozilla Firefox Plugin Request Processing Lets Remote Users Bypass Security Restrictions on the Target System
Ubuntu has issued a fix for Ubuntu Linux 12.04 LTS, 14.04 LTS, and 15.10.



 Source Message Contents



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