bug showing encryption levels

[digininja]

I get the following when the script tries to show the encryption levels. The rest of the output is fine and Nessus enumerated the details OK so the server doesn't seem to be doing anything unusual.

[-] Checking RDP Security Layer with encryption ENCRYPTION_METHOD_40BIT...Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Not supported.  Negotiated .  Server encryption level:
Use of uninitialized value within %encryption_level in hash element at ./rdp-sec-check.pl line 321.
Use of uninitialized value within %encryption_method in hash element at ./rdp-sec-check.pl line 322.
substr outside of string at ./rdp-sec-check.pl line 325.
[-] Checking RDP Security Layer with encryption ENCRYPTION_METHOD_128BIT...Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Not supported.  Negotiated .  Server encryption level:
Use of uninitialized value within %encryption_level in hash element at ./rdp-sec-check.pl line 321.
Use of uninitialized value within %encryption_method in hash element at ./rdp-sec-check.pl line 322.
substr outside of string at ./rdp-sec-check.pl line 325.
[-] Checking RDP Security Layer with encryption ENCRYPTION_METHOD_56BIT...Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Not supported.  Negotiated .  Server encryption level:
Use of uninitialized value within %encryption_level in hash element at ./rdp-sec-check.pl line 321.
Use of uninitialized value within %encryption_method in hash element at ./rdp-sec-check.pl line 322.
substr outside of string at ./rdp-sec-check.pl line 325.
[-] Checking RDP Security Layer with encryption ENCRYPTION_METHOD_FIPS...Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Use of uninitialized value in printf at ./rdp-sec-check.pl line 320.
Not supported.  Negotiated .  Server encryption level:
Use of uninitialized value within %encryption_level in hash element at ./rdp-sec-check.pl line 321.
Use of uninitialized value within %encryption_method in hash element at ./rdp-sec-check.pl line 322.
substr outside of string at ./rdp-sec-check.pl line 325.