Buffer Overflows
Last updated
Last updated
Various Lexmark laser printers crash when when receiving about 1.000 characters as the INQUIRE argument (see ) and sending about 3.000 characters as the SET argument to the Dell 1720n crashes the device:
You can check for Buffer Overflows using :
It allows multiple user-defined vectors like jobname, username or hostname, which may not be sufficiently protected. Several vulnerabilities related to this malfunction has been already discovered.
A simple LPD fuzzer to test for buffer overflows can be created using the lpdtest
tool included in . The in
argument sets all user inputs defined by the LPD protocol to a certain value (in this case, Python output):
You can find more information about these attacks in ****