CVE-2023-42788 : Security Advisory and Response

A detailed overview of CVE-2023-42788, an OS Command Injection vulnerability affecting FortiManager and FortiAnalyzer products.

Understanding CVE-2023-42788

This section provides insight into the vulnerability, affected systems, impact, and solutions.

What is CVE-2023-42788?

CVE-2023-42788 is an OS Command Injection vulnerability in FortiManager and FortiAnalyzer version 7.4.0, version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.8, version 6.4.0 through 6.4.12, and version 6.2.0 through 6.2.11. It allows a local attacker with low privileges to execute unauthorized code via specially crafted arguments to a CLI command.

The Impact of CVE-2023-42788

This vulnerability has a CVSS base score of 7.6, making it a high-severity issue. The attack complexity is low, but the availability, confidentiality, and integrity impact are high. A successful exploitation could result in unauthorized code execution.

Technical Details of CVE-2023-42788

Explore the technical aspects of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability involves improper neutralization of special elements used in an OS command ('OS Command Injection') in FortiManager & FortiAnalyzer versions specified earlier.

Affected Systems and Versions

FortiManager and FortiAnalyzer versions 7.4.0, 7.2.0 - 7.2.3, 7.0.0 - 7.0.8, 6.4.0 - 6.4.12, and 6.2.0 - 6.2.11 are affected by this vulnerability.

Exploitation Mechanism

A local attacker with low privileges can exploit this vulnerability by providing specifically crafted arguments to a CLI command to execute unauthorized code.

Mitigation and Prevention

Learn about the immediate steps to take and long-term security practices to prevent exploitation of the CVE-2023-42788.

Immediate Steps to Take

To mitigate the risk, users are advised to upgrade to FortiManager version 7.4.1 or above, FortiAnalyzer version 7.4.1 or above, and corresponding versions for other affected products mentioned earlier.

Long-Term Security Practices

Ensure regular security updates, conduct security audits, and adhere to secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security advisories and patch updates released by the vendor to address vulnerabilities like CVE-2023-42788.