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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox NTLM Implementation Flaw Lets Remote Users Conduct Authentication Reflection Attacks
SecurityTracker Alert ID:  1023340
SecurityTracker URL:  http://securitytracker.com/id/1023340
CVE Reference:   CVE-2009-3983   (Links to External Site)
Date:  Dec 16 2009
Impact:   Disclosure of authentication information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0 prior to 3.0.16, 3.5 prior to 3.5.6
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can conduct authentication reflection attacks.

A remote user can create specially crafted HTML that, when loaded by the target user, will cause the target user's browser to forward NTLM authenticated requests to another application.

Takehiro Takahashi of the IBM X-Force reported this vulnerability.

Impact:   A remote user can create HTML that, when loaded by the target user, will cause the target user's browser to forward NTLM authenticated requests to another application.
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/mfsa2009-68.html

Vendor URL:  www.mozilla.org/security/announce/2009/mfsa2009-68.html (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.
Dec 16 2009 (Red Hat Issues Fix) Mozilla Firefox NTLM Implementation Flaw Lets Remote Users Conduct Authentication Reflection Attacks
Red Hat has issued a fix for Red Hat Enterprise Linux 4 and 5.



 Source Message Contents



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