CVE-2021-30359 : Exploit Details and Defense Strategies

A vulnerability, identified as CVE-2021-30359, affects Check Point Harmony Browse and SandBlast Agent for Browsers versions prior to 90.08.7405. This vulnerability arises from the requirement of admin privileges during installation, allowing for potential malicious actions.

Understanding CVE-2021-30359

This section will provide detailed insights into the nature and impact of CVE-2021-30359.

What is CVE-2021-30359?

The vulnerability in Check Point Harmony Browse and SandBlast Agent for Browsers installations requires admin privileges for specific steps. Exploitation before version 90.08.7405 could enable an attacker to insert a specially crafted binary during repair, which then executes with admin rights.

The Impact of CVE-2021-30359

The impact of this vulnerability lies in the potential for unauthorized code execution with elevated privileges. Attackers could abuse the repair process to escalate their privileges and execute arbitrary code, posing a significant security risk.

Technical Details of CVE-2021-30359

This section will delve into the technical aspects of CVE-2021-30359.

Vulnerability Description

The vulnerability, categorized as CWE-427 (Uncontrolled Search Path Element), allows an attacker to manipulate the repair process and insert malicious binaries, leading to unauthorized code execution with admin privileges.

Affected Systems and Versions

Check Point Harmony Browse and SandBlast Agent for Browsers versions before 90.08.7405 are vulnerable to this exploit, requiring immediate attention from users to secure their systems.

Exploitation Mechanism

By initiating the repair process during installation, attackers can place a specially crafted binary in the repair folder, which later executes with admin privileges, enabling unauthorized code execution.

Mitigation and Prevention

In this section, we will explore the steps to mitigate and prevent exploitation of CVE-2021-30359.

Immediate Steps to Take

Users are advised to update Check Point Harmony Browse and SandBlast Agent for Browsers to version 90.08.7405 or higher to address this vulnerability. Additionally, restricting admin privileges during installation can help mitigate the risk of exploitation.

Long-Term Security Practices

Implementing the principle of least privilege, regular security updates, and monitoring installation processes can enhance overall system security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly updating software and applying patches from trusted sources is crucial in safeguarding systems against known vulnerabilities like CVE-2021-30359.