CVE-2019-8452 : Vulnerability Insights and Analysis

A vulnerability in Check Point ZoneAlarm and Check Point Endpoint Security client for Windows could allow a local attacker to elevate privileges.

Understanding CVE-2019-8452

What is CVE-2019-8452?

When a hard-link is created using the log file archive of Check Point ZoneAlarm up to version 15.4.062 or Check Point Endpoint Security client for Windows before E80.96, it can modify file permissions, granting all users access. This can be exploited by a local attacker to escalate privileges.

The Impact of CVE-2019-8452

Exploiting this vulnerability allows a local attacker to gain elevated privileges, potentially leading to unauthorized access and control over sensitive files.

Technical Details of CVE-2019-8452

Vulnerability Description

The vulnerability arises from the improper handling of hard-links in the affected Check Point products, leading to unauthorized permission changes.

Affected Systems and Versions

Check Point ZoneAlarm up to version 15.4.062
Check Point Endpoint Security client for Windows before E80.96

Exploitation Mechanism

By creating a hard-link from the log file archive to a file, the attacker can manipulate permissions, enabling unauthorized access.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches provided by Check Point.
Monitor file permissions and access controls for suspicious changes.
Restrict access to sensitive files to authorized users only.

Long-Term Security Practices

Regularly update and patch all software and applications.
Implement least privilege access policies to limit potential attack surfaces.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Ensure that Check Point ZoneAlarm is updated to version 15.4.062 or later, and Check Point Endpoint Security client for Windows is updated to E80.96 or above.