A local overflow exists in Mac OS X when configured as a VPN server. vpnd fails to validate user-supplied input to the Server_id parameter resulting in a buffer overflow. With a specially crafted request, a malicious user can execute arbitrary code resulting in a loss of integrity.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Public
Disclosure:
OSVDB Verified,
Vendor Verified
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, Apple has released a patch to address this vulnerability.