CVE-2023-31149 : Exploit Details and Defense Strategies

This article provides details about CVE-2023-31149, which involves an Improper Input Validation vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface.

Understanding CVE-2023-31149

CVE-2023-31149 is a critical vulnerability that allows a remote attacker to execute arbitrary code by exploiting the Improper Input Validation issue in the SEL RTAC Web Interface.

What is CVE-2023-31149?

CVE-2023-31149 involves an Improper Input Validation vulnerability in the SEL RTAC Web Interface, posing a significant security risk by enabling remote attackers to execute arbitrary code.

The Impact of CVE-2023-31149

The impact of this vulnerability, as classified under CAPEC-242 Code Injection, is critical with a CVSS base score of 9.1, indicating high confidentiality, integrity, and availability impact.

Technical Details of CVE-2023-31149

This section provides specific technical details about the vulnerability, affected systems, and the mechanism of exploitation.

Vulnerability Description

The Improper Input Validation vulnerability in the SEL RTAC Web Interface allows remote authenticated attackers to execute arbitrary code, leading to severe security breaches.

Affected Systems and Versions

The vulnerability affects various SEL products including SEL-3505, SEL-3530, SEL-3555, and others with specific versions like R132-V0, R134-V0, and R144-V2.

Exploitation Mechanism

The exploitation of this vulnerability occurs through remote authenticated access to the affected Web Interface, enabling attackers to inject and execute malicious code.

Mitigation and Prevention

Here are the recommended steps to mitigate the risks associated with CVE-2023-31149 and prevent future vulnerabilities.

Immediate Steps to Take

Apply security patches provided by Schweitzer Engineering Laboratories promptly.
Implement network segmentation and access controls to limit exposure.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Ensure timely installation of patches and updates released by the vendor to address the identified security flaw in the SEL RTAC Web Interface.