Crestron AirMedia for Windows before 5.5.1.84 has insecure inherited permissions, which leads to a privilege escalation vulnerability found in the AirMedia Windows Application, version 4.3.1.39. A low privileged user can initiate a repair of the system and gain a SYSTEM level shell.

A vulnerability was discovered in the Crestron AirMedia Windows Application, version 4.3.1.39, in which a low-privileged user can gain a SYSTEM level command prompt by pre-staging a file structure prior to the installation of a trusted service executable and change permissions on that file structure during a repair operation.

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to argumention injection to the curl binary via crafted HTTP requests to return.cgi. A remote, authenticated attacker can use this vulnerability to upload files to the device and ultimately execute code as root.