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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Includes Some Invalid Comodo Certificates
SecurityTracker Alert ID:  1025243
SecurityTracker URL:  http://securitytracker.com/id/1025243
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Mar 23 2011
Original Entry Date:  Mar 23 2011
Impact:   Modification of authentication information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 4.0 RC2
Description:   A vulnerability was reported in Mozilla Firefox. A remote user may be able to spoof websites.

The browser includes some invalid certificates. The vulnerability is due to the invalid certificates and not the browser. Other browsers, applications, and operating systems are affected.

Mozilla Seamonkey and Thunderbird are affected.

A partner of Comodo with Registration Authority capabilities suffered an internal security breach and the attacker caused seven certificates to be fraudulently issued. The certificates have since been revoked. However, with some applications and systems, a man-in-the-middle attack may prevent the application or system from contacting the relevant On-line Certificate Status Protocol (OSCP) system and determining that the certificate has been revoked.

The following common names are affected:

addons.mozilla.org
login.live.com
mail.google.com
www.google.com
login.yahoo.com
login.skype.com
global trustee

Impact:   A remote user may be able to spoof websites.
Solution:   The vendor has issued a fix (3.5.18, 3.6.16, 4.0 RC2).

The vendor's advisory is available at:

http://www.mozilla.org/security/announce/2011/mfsa2011-11.html

Vendor URL:  www.mozilla.org/security/announce/2011/mfsa2011-11.html (Links to External Site)
Cause:   Configuration error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 23 2011 (Red Hat Issues Fix) Mozilla Firefox Includes Some Invalid Certificates
Red Hat has issued a fix for Red Hat Enterprise Linux 4, 5, and 6.
Mar 23 2011 (Red Hat Issues Fix for Thunderbird) Mozilla Firefox Includes Some Invalid Certificates
Red Hat has issued a fix for Thunderbird for Red Hat Enterprise Linux 4, 5, and 6.
Mar 23 2011 (Red Hat Issues Fix for SeaMonkey) Mozilla Firefox Includes Some Invalid Certificates
Red Hat has issued a fix for Mozilla SeaMonkey for Red Hat Enterprise Linux 4.
Apr 29 2011 (Red Hat Issues Fix for NSS) Mozilla Firefox Includes Some Invalid Comodo Certificates
Red Hat has issued a fix for nss for Red Hat Enterprise Linux 4, 5, and 6.



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