Vulnerability Development: 0DAY Firefox Remote Code Execution and Denial of Service Vulnerability <=1.5.0.2 iframe.contentWindow.focus()

[chris () splices org]

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Software:  
 Firefox Web Browser
Tested: 
 Linux, Windows clients' version 1.5.0.2
Result:  
 Firefox Remote Code Execution and Denial of Service
Problem:
 A handling issue exists in how Firefox handles certain Javascript in js310.dll and xpcom_core.dll
regarding iframe.contentWindow.focus().  By manipulating this feature a buffer overflow will occur.  
Proof of Concept:
 http://www.securident.com/vuln/ff.txt
Credits:
 splices(splices [dot] org)
 spiffomatic64(spiffomatic64 [dot] com)
 Securident Technologies (securident [dot] com)      
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