Cisco AnyConnect Privilege Escalation

The installer component of Cisco AnyConnect Secure Mobility Client for Windows prior to 4.8.02042 is vulnerable to path traversal and allows local attackers to create/overwrite files in arbitrary locations with system level privileges. The installer component of Cisco AnyConnect Secure Mobility Client for Windows prior to 4.9.00086 is vulnerable to a DLL hijacking and allows local attackers to execute code on the affected machine with with system level privileges. Both attacks consist in sending a specially crafted IPC request to the TCP port 62522 on the loopback device, which is exposed by the Cisco AnyConnect Secure Mobility Agent service.