free5GC AMF: Missing default case in Content-Type switch in HTTPUEContextTransfer

Summary The HTTPUEContextTransfer handler in internal/sbi/apicommunication.go does not include a default case in the Content-Type switch statement. When a request arrives with an unsupported Content-Type, the deserialization step is silently skipped, err remains nil, and the processor is invoked...

Expected Behavior Violation

Overview Affected versions of this package are vulnerable to Expected Behavior Violation in the HTTPUEContextTransfer process when an unsupported Content-Type is received. An attacker can cause the processor to operate on an uninitialized object by sending a request with an unexpected Content-Typ...