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Docker Daemon - Unprotected TCP Socket Exploit

Utilizing Docker via unprotected tcp socket (2375/tcp, maybe 2376/tcp with tls but without tls-auth), an attacker can create a Docker container with the '/' path mounted with read/write permissions on the host server that is running the Docker container. As the Docker container executes command as uid 0 it is honored by the host operating system allowing the attacker to edit/create files owned by root. This exploit abuses this to creates a cron job in the '/etc/cron.d/' path of the host server. The Docker image should exist on the target system or be a valid image from

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Module Name



  • Martin Pizala



  • Linux x64
  • Python


  • linux
  • python


  • x64
  • python



Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/linux/http/docker_daemon_tcp msf exploit(docker_daemon_tcp) > show targets ...targets... msf exploit(docker_daemon_tcp) > set TARGET <target-id> msf exploit(docker_daemon_tcp) > show options and set options... msf exploit(docker_daemon_tcp) > exploit