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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox CSS Parser Does Not Properly Parse Null Characters
SecurityTracker Alert ID:  1021425
SecurityTracker URL:  http://securitytracker.com/id/1021425
CVE Reference:   CVE-2008-5510   (Links to External Site)
Date:  Dec 17 2008
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.x prior to 2.0.0.19; 3.x prior to 3.0.5
Description:   A vulnerability was reported in Mozilla Firefox. A remote user may be able to bypass script filtering.

The CSS parser incorrectly ignores the escaped form '\0'. A remote user may be able to exploit this to bypass script filtering routines in web applications.

Thunderbird and SeaMonkey are affected.

Kojima Hajime reported this vulnerability.

Impact:   A remote user may be able to bypass script filtering routines in web applications.
Solution:   The vendor has issued a fix (2.0.0.19, 3.0.5).

The vendor's advisory is available at:

http://www.mozilla.org/security/announce/2008/mfsa2008-67.html

Vendor URL:  www.mozilla.org/security/announce/2008/mfsa2008-67.html (Links to External Site)
Cause:   Input validation 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 17 2008 (Mozilla Issues Fix for SeaMonkey) Mozilla Firefox CSS Parser Does Not Properly Parse Null Characters
Mozilla has issued a fix for SeaMonkey.
Dec 17 2008 (Red Hat Issues Fix) Mozilla Firefox CSS Parser Does Not Properly Parse Null Characters
Red Hat has released a fix for Red Hat Enterprise Linux 4 and 5.
Dec 30 2008 (Mozilla Issues Fix for Thunderbird) Mozilla Firefox CSS Parser Does Not Properly Parse Null Characters
Mozilla has released a fix for Thunderbird.
May 15 2009 (Sun Issues Fix for Thunderbird) Mozilla Firefox CSS Parser Does Not Properly Parse Null Characters
Sun has issued a fix for Thunderbird for Solaris 10 and OpenSolaris.



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