: The entire authentication exchange (challenges and responses) is sent in the clear, allowing an eavesdropper to capture the data needed for offline cracking.
: The 24-byte hashed response sent by the client. vpn-jantit-pptp
PPTP MS-CHAPv2 hashes can be cracked using tools like Hashcat or John the Ripper . vpn-jantit-pptp
The format for Hashcat (Mode 5500) is: $NETCHAPV2$username$challenge$response . Alternatively, use asleap specifically designed for PPTP: asleap -r capture.pcap -w wordlist.txt Use code with caution. Copied to clipboard Key Vulnerabilities vpn-jantit-pptp
: MS-CHAPv2 relies on the DES algorithm, which is susceptible to brute-force attacks.
