CVE-2021-30356 Explained : Impact and Mitigation

A denial of service vulnerability was reported in Check Point Identity Agent before R81.018.0000, allowing low privileged users to overwrite protected system files.

Understanding CVE-2021-30356

This CVE details a denial of service vulnerability in the Check Point Identity Agent software, potentially leading to system file overwrites by unauthorized users.

What is CVE-2021-30356?

CVE-2021-30356 is a vulnerability in Check Point Identity Agent before version R81.018.0000, enabling low privileged users to perform a denial of service attack by modifying critical system files.

The Impact of CVE-2021-30356

The vulnerability poses a security risk as it allows unauthorized users to disrupt system operations by overwriting essential files, potentially leading to system instability and data loss.

Technical Details of CVE-2021-30356

This section discusses the vulnerability in more detail.

Vulnerability Description

The vulnerability involves the Check Point Identity Agent software before version R81.018.0000, which lacks proper permission controls, enabling low privileged users to overwrite protected system files.

Affected Systems and Versions

Check Point Identity Agent versions before R81.018.0000 are impacted by this vulnerability, exposing systems to potential denial of service attacks.

Exploitation Mechanism

Unauthorized users with low privileges can exploit this vulnerability to manipulate critical system files, leading to a denial of service condition.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risk posed by CVE-2021-30356.

Immediate Steps to Take

Update Check Point Identity Agent to version R81.018.0000 or newer to address the vulnerability.
Implement strict access controls to limit user privileges and prevent unauthorized file modifications.

Long-Term Security Practices

Regularly update software and security patches to protect against known vulnerabilities.
Conduct security audits and assessments to identify and address potential weaknesses in system configurations.

Patching and Updates

Stay informed about security advisories from Check Point and apply updates promptly to ensure system security.