CVE-2023-37199 : Exploit Details and Defense Strategies

A CWE-94 vulnerability in StruxureWare Data Center Expert software versions prior to v7.9.3 allows remote code execution through improper control of code generation when admin users tamper with backups and manually restore them.

Understanding CVE-2023-37199

This section provides insight into the nature and impact of the CVE-2023-37199 vulnerability.

What is CVE-2023-37199?

The CVE-2023-37199 vulnerability stems from an Improper Control of Generation of Code ('Code Injection') flaw in Schneider Electric's StruxureWare Data Center Expert software. This vulnerability enables a scenario where remote code execution can occur when admin users manipulate backups that are subsequently restored manually.

The Impact of CVE-2023-37199

The impact of CVE-2023-37199 is rated as MEDIUM severity, with a CVSS v3.1 base score of 6.8. It carries a HIGH risk to confidentiality, integrity, and availability of affected systems, requiring HIGH privileges for exploitation.

Technical Details of CVE-2023-37199

In this section, we delve into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The CVE-2023-37199 vulnerability arises due to a CWE-94 - Improper Control of Generation of Code ('Code Injection') issue. It allows threat actors to execute remote code by manipulating backups within the StruxureWare Data Center Expert software environment.

Affected Systems and Versions

Systems running StruxureWare Data Center Expert software versions prior to v7.9.3 are vulnerable to CVE-2023-37199. Users of affected versions are at risk of unauthorized code execution through the tampering and manual restoration of backups.

Exploitation Mechanism

Exploiting CVE-2023-37199 involves admin users tampering with backups within the StruxureWare Data Center Expert software and subsequently manually restoring them. This sequence triggers the remote code execution scenario, posing a significant security threat.

Mitigation and Prevention

This section outlines immediate steps and best practices to mitigate the CVE-2023-37199 vulnerability and secure systems against potential exploits.

Immediate Steps to Take

Users of affected systems are advised to apply security patches provided by Schneider Electric promptly. Additionally, restricting access to critical functions and backups can help reduce the risk of unauthorized code execution.

Long-Term Security Practices

Implementing strict access controls, regular security audits, and employee training on secure backup practices can enhance the long-term security posture of systems running the StruxureWare Data Center Expert software.

Patching and Updates

Regularly monitoring and applying software updates and patches from the vendor is essential to address known vulnerabilities like CVE-2023-37199 and strengthen system defenses against exploits.