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OpenSIS 'modname' PHP Code Execution

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OpenSIS 'modname' PHP Code Execution

Disclosed
12/04/2012
Created
05/30/2018

Description

This module exploits a PHP code execution vulnerability in OpenSIS versions 4.5 to 5.2 which allows any authenticated user to execute arbitrary PHP code under the context of the web-server user. The 'ajax.php' file calls 'eval()' with user controlled data from the 'modname' parameter.

Author(s)

  • EgiX
  • bcoles <bcoles@gmail.com>

Platform

Unix

Architectures

cmd

Development

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

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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