Firefox Remote Code Execution and DoS

Risk: Low
Local: Yes
Remote: Yes
CWE: CWE-399

CVSS Base Score: 5.1/10
Impact Subscore: 6.4/10
Exploitability Subscore: 4.9/10
Exploit range: Remote
Attack complexity: High
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

--------------------------------------------------- Software: Firefox Web Browser Tested: Linux, Windows clients' version Result: Firefox Remote Code Execution and Denial of Service - Vendor contacted, no patch yet. Problem: A handling issue exists in how Firefox handles certain Javascript in js320.dll and xpcom_core.dll regarding iframe.contentWindow.focus(). By manipulating this feature a buffer overflow will occur. Proof of Concept: Credits: splices(splices [dot] org) spiffomatic64(spiffomatic64 [dot] com) Securident Technologies (securident [dot] com) ------------------------------------------------

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