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Foswiki MAKETEXT Remote Command Execution

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Foswiki MAKETEXT Remote Command Execution

Disclosed
12/03/2012
Created
05/30/2018

Description

This module exploits a vulnerability in the MAKETEXT Foswiki variable. By using a specially crafted MAKETEXT, a malicious user can execute shell commands since the input is passed to the Perl "eval" command without first being sanitized. The problem is caused by an underlying security issue in the CPAN:Locale::Maketext module. Only Foswiki sites that have user interface localization enabled (UserInterfaceInternationalisation variable set) are vulnerable. If USERNAME and PASSWORD aren't provided, anonymous access will be tried. Also, if the FoswikiPage option isn't provided, the module will try to create a random page on the SandBox space. The modules has been tested successfully on Foswiki 1.1.5 as distributed with the official Foswiki-1.1.5-vmware image.

Author(s)

  • Brian Carlson
  • juan vazquez <juan.vazquez@metasploit.com>

Platform

Unix

Architectures

cmd

Development

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