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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Stack Overflow in Parsing UTF-8 URLs Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020913
SecurityTracker URL:  http://securitytracker.com/id/1020913
CVE Reference:   CVE-2008-0016   (Links to External Site)
Date:  Sep 24 2008
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.0.0.17
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a URL with specially crafted UTF-8 characters that, when loaded by the target user, will trigger a stack overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user.

SeaMonkey is also affected.

Justin Schuh and Tom Cross of the IBM X-Force and Peter Williams of IBM Watson Labs reported this vulnerability.

Impact:   A remote user can create a URL that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fixed version (2.0.0.17).

The vendor's advisory is available at:

http://www.mozilla.org/security/announce/2008/mfsa2008-37.html

Vendor URL:  www.mozilla.org/security/announce/2008/mfsa2008-37.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 24 2008 (Mozilla Issues Fix for SeaMonkey) Mozilla Firefox Stack Overflow in Parsing UTF-8 URLs Lets Remote Users Execute Arbitrary Code
Mozilla has issued a fix for Mozilla SeaMonkey.
Oct 2 2008 (Red Hat Issues Fix for Thunderbird) Mozilla Firefox Stack Overflow in Parsing UTF-8 URLs Lets Remote Users Execute Arbitrary Code
Red Hat has released a fix for Thunderbird for Red Hat Enterprise Linux 4 and 5.



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