PC Protect Antivirus v4.14.31 Improper Privilege Management Vulnerability

Summary

PC Protect Antivirus v4.14.31 installs by default to %PROGRAMFILES(X86)%\PCProtect with very weak folder permissions, granting any user full permission “Everyone: (F)” to the contents of the directory and its subfolders.

Credit:

The information has been provided by Vendor

The original article can be found at:https://flipflopsecurity.wordpress.com/2019/10/07/pc-protect-v4-14-31-privilege-esclation/


Details

In addition, the program installs a service called SecurityService that runs as LocalSystem. This allows any user to escalate privileges to “NT AUTHORITY\SYSTEM” by substituting the service’s binary with a Trojan horse.

Vulnerable Systems:

PC Protect Antivirus v4.14.31

CVE Information:

CVE-2019-16913

Disclosure Timeline:
Published Date:10/07/2019