module

TWiki MAKETEXT Remote Command Execution

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Disclosed
Dec 15, 2012
Created
May 30, 2018

Description

This module exploits a vulnerability in the MAKETEXT Twiki variable. By using a
specially crafted MAKETEXT, a malicious user can execute shell commands since user
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. This works in TWiki sites that have user interface localization enabled
(UserInterfaceInternationalisation variable set).

If USERNAME and PASSWORD aren't provided, anonymous access will be tried. Also,
if the 'TwikiPage' option isn't provided, the module will try to create a random
page on the SandBox space. The module has been tested successfully on
TWiki 5.1.2 as distributed with the official TWiki-VM-5.1.2-1 virtual machine.

Authors

George Clark
juan vazquez juan.vazquez@metasploit.com

Platform

Unix

Architectures

cmd

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