CVE-2023-41165 : What You Need to Know

An issue was discovered in Stormshield Network Security (SNS) versions before specific releases. This vulnerability allows an administrator to configure a login disclaimer containing malicious JavaScript elements, leading to potential data theft.

Understanding CVE-2023-41165

This section will delve into the specifics of CVE-2023-41165 and its implications.

What is CVE-2023-41165?

CVE-2023-41165 highlights a security flaw present in Stormshield Network Security (SNS) versions prior to certain releases. It enables an administrator to inject harmful JavaScript components into the login disclaimer, posing a risk of data compromise.

The Impact of CVE-2023-41165

The exploitation of this vulnerability can result in unauthorized data access and theft, jeopardizing the confidentiality and integrity of sensitive information within the affected system.

Technical Details of CVE-2023-41165

This section will outline the technical aspects of the CVE-2023-41165 vulnerability.

Vulnerability Description

The vulnerability allows an authorized user with write access to the SNS firewall to insert malicious JavaScript elements into the login disclaimer, potentially leading to data theft.

Affected Systems and Versions

The issue affects Stormshield Network Security (SNS) versions 3.7.0 through 3.7.38, 3.10.0 through 3.11.26, 4.0 through 4.3.21, and 4.4.0 through 4.6.8 before the respective fixed versions.

Exploitation Mechanism

By utilizing write access to the SNS firewall, an administrator can craft a login disclaimer containing malicious JavaScript, which when executed, could facilitate unauthorized data exfiltration.

Mitigation and Prevention

This section will provide insights into addressing and mitigating the CVE-2023-41165 vulnerability.

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-41165, it is recommended to update the affected Stormshield Network Security (SNS) instances to the patched versions promptly.

Long-Term Security Practices

Implementing strict content validation mechanisms and regular security audits can help prevent the injection of malicious scripts into sensitive areas such as login disclaimers.

Patching and Updates

Ensure timely application of security patches and updates provided by Stormshield to address the CVE-2023-41165 vulnerability and enhance the overall security posture of the system.