A remote overflow exists in Mac OS X. The CFNetwork component used by Safari and other applications fails to validate chunked transfer encoding resulting in an integer overflow. With a specially crafted request, an attacker can cause arbitrary code execution resulting in a loss of integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Install Apple Security Update 2006-003, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.