paramiko.ssh_exception.SSHException: Error reading SSH protocol banner[Errno 54] Connection reset by peer

[aklh204]

• Near the end of line 84 of "hacktivate.py" should be changed from checkra1n_gui to just checkra1n.
• "readme.md"'s step 5 referring to argument --alternative does not match "hacktivate.py"'s --alternate

https://pastebin.com/n6ZuwiVL

#
# Checkra1n hacktivation
#
# Proudly written in VSCode
# (c) 2019 Noah Shanaberger
#
#========  Made by  =======
# Noah Shanaberger
#======== Thanks to =======
# argp, axi0mx, danyl931, jaywalker, kirb, littlelailo
# nitoTV, nullpixel, pimskeks, qwertyoruiop, sbingner, siguza
# haifisch, jndok, jonseals, xerub, lilstevie, psychotea, sferrini
# Cellebrite (ih8sn0w, cjori, ronyrus et al.)
#====== Special Note ======
# Praise the free market!
#==========================
- [*] We're going to jailbreak your device now.
- [!] Put your device into DFU mode. Hit enter when you're in DFU mode.

 - [*]: Waiting for DFU devices
 - [*]: Exploiting
 - [*]: Checking if device is ready
 - [*]: Setting up the exploit (this is the heap spray)
 - [*]: Right before trigger (this is the real bug setup)
 - [*]: Entered download mode
 - [*]: Booting...
- [!] Hit enter when it is fully booted.
- [*] Starting iProxy connection.
- [!] Unplug the device, and plug it back in. Hit enter when done.
- [*] Connecting to device SSH via USB.
Exception: Error reading SSH protocol banner[Errno 54] Connection reset by peer
Traceback (most recent call last):
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/transport.py", line 2211, in _check_banner
    buf = self.packetizer.readline(timeout)
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/packet.py", line 380, in readline
    buf += self._read_timeout(timeout)
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/packet.py", line 607, in _read_timeout
    x = self.__socket.recv(128)
ConnectionResetError: [Errno 54] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner[Errno 54] Connection reset by peer

Traceback (most recent call last):
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/transport.py", line 2211, in _check_banner
    buf = self.packetizer.readline(timeout)
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/packet.py", line 380, in readline
    buf += self._read_timeout(timeout)
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/packet.py", line 607, in _read_timeout
    x = self.__socket.recv(128)
ConnectionResetError: [Errno 54] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "hacktivate.py", line 153, in <module>
    hacktivateDevice(22)
  File "hacktivate.py", line 109, in hacktivateDevice
    sshClient.connect(hostname="localhost", port=2222, username="root", password="alpine")
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/Users/aklh204/.local/share/virtualenvs/hacktivate-master-T5WBpBDd/lib/python3.7/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner[Errno 54] Connection reset by peer
(hacktivate-master) bash-3.2$

Same error encountered with two devices and regardless of --alternate argument.

[bobcraig1292]

• [*] We're going to jailbreak your device now.

• [!] Put your device into DFU mode. Hit enter when you're in DFU mode.

  • [*]: Waiting for DFU devices
  • *: Checking if device is ready
  • *: Setting up the exploit (this is the heap spray)
  • *: Right before trigger (this is the real bug setup)
  • *: Entered download mode
  • *: All Done
• [!] Hit enter when it is fully booted.
• * Starting iProxy connection. Traceback (most recent call last): File "hacktivate.py", line 151, in hacktivateDevice(44) File "hacktivate.py", line 104, in hacktivateDevice iproxyProc = pexpect.spawn(f"iproxy 2222 {str(port)}") File "/Users/rctabb/.local/share/virtualenvs/hacktivate-master-VMLclRNX/lib/python3.7/site-packages/pexpect/pty_spawn.py", line 204, in init self._spawn(command, args, preexec_fn, dimensions) File "/Users/rctabb/.local/share/virtualenvs/hacktivate-master-VMLclRNX/lib/python3.7/site-packages/pexpect/pty_spawn.py", line 276, in _spawn 'executable: %s.' % self.command) pexpect.exceptions.ExceptionPexpect: The command was not found or was not executable: iproxy. (hacktivate-master) bash-3.2$