CVE-2023-47091 Explained : Impact and Mitigation

An issue was discovered in Stormshield Network Security (SNS) SNS 4.3.13 through 4.3.22 before 4.3.23, SNS 4.6.0 through 4.6.9 before 4.6.10, and SNS 4.7.0 through 4.7.1 before 4.7.2. An attacker can overflow the cookie threshold, making an IPsec connection impossible.

Understanding CVE-2023-47091

This section dives into the details of the vulnerability and its implications.

What is CVE-2023-47091?

CVE-2023-47091 is a vulnerability in Stormshield Network Security that allows attackers to overflow the cookie threshold, thus preventing an IPsec connection.

The Impact of CVE-2023-47091

The impact of this vulnerability is the impossibility of establishing an IPsec connection, which could affect the security and connectivity of the network.

Technical Details of CVE-2023-47091

Explore the technical aspects of the CVE in this section.

Vulnerability Description

The vulnerability arises from an overflow of the cookie threshold, which can be exploited by an attacker to disrupt IPsec connections.

Affected Systems and Versions

The affected versions include SNS 4.3.13 through 4.3.22, 4.6.0 through 4.6.9, and 4.7.0 through 4.7.1 of Stormshield Network Security.

Exploitation Mechanism

Attackers can exploit this vulnerability by overflowing the cookie threshold, leading to the disruption of IPsec connections.

Mitigation and Prevention

Discover how to mitigate the risks posed by CVE-2023-47091.

Immediate Steps to Take

Immediately update to version 4.3.23, 4.6.10, or 4.7.2 to address the vulnerability and prevent potential attacks.

Long-Term Security Practices

Implement regular security updates and network monitoring to detect and prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by Stormshield Network Security to ensure your systems are secure.