/opt/vyatta/bin/sudo-users/vyatta-clear-dhcp-lease.pl on the Brocade Vyatta 5400 vRouter 6.4R(x), 6.6R(x), and 6.7R1 does not properly validate parameters, which allows local users to gain privileges by leveraging the sudo configuration.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.