CVE-2023-37373 : Security Advisory and Response

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.4) that allows unauthenticated remote attackers to write arbitrary files to the affected application's file system.

Understanding CVE-2023-37373

This section provides an overview of the CVE-2023-37373 vulnerability.

What is CVE-2023-37373?

The CVE-2023-37373 vulnerability exists in RUGGEDCOM CROSSBOW (All versions < V5.4) where affected applications accept unauthenticated file write messages, potentially leading to arbitrary file write actions by remote attackers.

The Impact of CVE-2023-37373

The impact of this vulnerability is rated as MEDIUM. An unauthenticated remote attacker could exploit this issue to write arbitrary files to the affected application's file system, compromising its integrity and potentially leading to further security breaches.

Technical Details of CVE-2023-37373

This section delves into the technical aspects of CVE-2023-37373.

Vulnerability Description

The vulnerability involves missing authentication for critical function (CWE-306) in RUGGEDCOM CROSSBOW (All versions < V5.4), allowing unauthenticated file write messages.

Affected Systems and Versions

Vendor Siemens' product RUGGEDCOM CROSSBOW is impacted by CVE-2023-37373 in all versions below V5.4.

Exploitation Mechanism

Remote attackers can exploit the vulnerability by sending unauthenticated file write messages to the affected application, enabling them to write arbitrary files.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of CVE-2023-37373.

Immediate Steps to Take

Immediately apply security patches provided by Siemens to address the vulnerability. Restrict network access to the affected application to trusted sources only.

Long-Term Security Practices

Regularly update the affected application to newer, more secure versions. Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Stay informed about security updates from Siemens and promptly apply patches to ensure the protection of the application.