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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Lets Remote Users Spoof URL Status and Contents
SecurityTracker Alert ID:  1023342
SecurityTracker URL:  http://securitytracker.com/id/1023342
CVE Reference:   CVE-2009-3984, CVE-2009-3985   (Links to External Site)
Date:  Dec 16 2009
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0 prior to 3.0.16, 3.5 prior to 3.5.6
Description:   Two vulnerabilities were reported in Mozilla Firefox. A remote user can spoof URLs and URL bar status.

A remote user can create specially crafted HTML that, when loaded by the target user via a non-secure protocol (e.g., http:, file:), will receive SSL indicators near the location bar [CVE-2009-3984]. A document that sets its document.location to an 'https:' URL which in turn responds with a 204 status and empty response body can trigger this flaw. Jonathan Morgan reported this vulnerability.

A remote user can create specially crafted HTML that, when loaded by the target user, will set the document.location to a URL that will not display properly and may appear to be a different URL [CVE-2009-3985]. Jordi Chancel reported this vulnerability.

Impact:   A remote user can create HTML that, when loaded by the target user, will spoof the URL bar SSL status or the URL bar contents on the target user's browser.
Solution:   The vendor has issued a fix (3.0.16, 3.5.6).

The vendor's advisory is available at:

http://www.mozilla.org/security/announce/2009/mfsa2009-69.html

Vendor URL:  www.mozilla.org/security/announce/2009/mfsa2009-69.html (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Dec 16 2009 (Red Hat Issues Fix) Mozilla Firefox Lets Remote Users Spoof URL Status and Contents
Red Hat has issued a fix for Red Hat Enterprise Linux 4 and 5.



 Source Message Contents



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