Check Point Endpoint Security Client for Windows versions earlier than E86.40 copy files for forensics reports from a directory with low privileges. An attacker can replace those files with malicious or linked content, such as exploiting CVE-2020-0896 on unpatched systems or using symbolic links.

Users have access to the directory where the installation repair occurs. Since the MS Installer allows regular users to run the repair, an attacker can initiate the installation repair and place a specially crafted EXE in the repair folder which runs with the Check Point Remote Access Client privileges.

Check Point Endpoint Security Client for Windows before version E84.20 allows write access to the directory from which the installation repair takes place. Since the MS Installer allows regular users to run the repair, an attacker can initiate the installation repair and place a specially crafted DLL in the repair folder which will run with the Endpoint client’s privileges.

Check Point Endpoint Security Client for Windows, with Anti-Bot or Threat Emulation blades installed, before version E83.20, tries to load a non-existent DLL during a query for the Domain Name. An attacker with administrator privileges can leverage this to gain code execution within a Check Point Software Technologies signed binary, where under certain circumstances may cause the client to terminate.