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  1. Guacamole
  2. GUACAMOLE-400

Connection segfaults when SSH private key fails to load

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.9.13-incubating
    • Fix Version/s: 0.9.14
    • Component/s: SSH
    • Labels:
      None
    • Environment:
      x86_64 GNU/Linux

      Description

      Steps:

      1. Generate a RSA key pair with ssh-keygen on Linux. Set private key passphrase.
      2. Configure the public key on a SSH server.
      3. Configure a SSH connection with the private key for authentication. Intentionally set a wrong passphrase!!
      4. Start the SSH connection from web portal.

      Expected result:

      Connecting to the SSH server fails due to the wrong passphrase.

      Actual result:

      The SSH connection closes with a segfault.

      (gdb) bt
      #0 0x00002aaaae365596 in guac_common_ssh_authenticate (common_session=0x2aaab851d080) at ssh.c:300
      #1 0x00002aaaae365c2c in guac_common_ssh_create_session (client=0x2aaab000ac40, hostname=0xe16e20 "10.148.38.168", port=0xe17100 "4118", user=0x0) at ssh.c:520
      #2 0x00002aaaae35e01c in ssh_client_thread (data=0x2aaab000ac40) at ssh.c:220
      #3 0x00002aaaab8521a4 in start_thread (arg=0x2aaab5001700) at pthread_create.c:309
      #4 0x00002aaaabd5965d in clone () from /lib64/libc.so.6
      

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            • Assignee:
              Unassigned
              Reporter:
              sanhex James He
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              Dates

              • Created:
                Updated:
                Resolved: