module

Xymon useradm Command Execution

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Disclosed
2016-02-14
Created
2019-07-12

Description

This module exploits a command injection vulnerability in Xymon
versions before 4.3.25 which allows authenticated users
to execute arbitrary operating system commands as the web
server user.

When adding a new user to the system via the web interface with
`useradm.sh`, the user's username and password are passed to
`htpasswd` in a call to `system()` without validation.

This module has been tested successfully on Xymon version 4.3.10
on Debian 6.

Authors

Markus Krell
bcoles bcoles@gmail.com

Platform

BSD,Linux,Solaris,Unix

References

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/unix/webapp/xymon_useradm_cmd_exec
    msf exploit(xymon_useradm_cmd_exec) > show targets
        ...targets...
    msf exploit(xymon_useradm_cmd_exec) > set TARGET < target-id >
    msf exploit(xymon_useradm_cmd_exec) > show options
        ...show and set options...
    msf exploit(xymon_useradm_cmd_exec) > exploit
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