CVE-2023-2267 : Vulnerability Insights and Analysis

This CVE, published on November 30, 2023, highlights an Improper Input Validation vulnerability in Schweitzer Engineering Laboratories SEL-411L. This vulnerability could potentially allow an attacker to execute reflection attacks against an authorized and authenticated user.

Understanding CVE-2023-2267

This section delves into the details of CVE-2023-2267 and its impact, technical aspects, and mitigation strategies.

What is CVE-2023-2267?

The CVE-2023-2267 vulnerability involves improper input validation in the SEL-411L device, enabling attackers to launch reflection attacks against authenticated users. This type of vulnerability is known as CAPEC-138 Reflection Injection.

The Impact of CVE-2023-2267

The impact of this vulnerability is categorized as medium severity with a CVSS v3.1 base score of 4.3. While the attack complexity is low and user interaction is required, confidentiality and integrity impacts are rated as low, with no availability impact.

Technical Details of CVE-2023-2267

This section outlines the technical aspects of CVE-2023-2267, including vulnerability description, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability arises from improper input validation in the SEL-411L device, allowing threat actors to exploit this weakness for reflection attacks on authenticated users.

Affected Systems and Versions

The affected product is the SEL-411L from Schweitzer Engineering Laboratories. The following custom versions are impacted:

R118-V0 through R129-V0.

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating input validation parameters in a way that triggers reflection attacks against authorized users.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2023-2267 is crucial to safeguarding systems and networks from potential exploitation.

Immediate Steps to Take

Organizations should apply patches provided by Schweitzer Engineering Laboratories promptly.
Ensure network security measures are in place to detect and prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch all systems and software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Stay informed about security advisories and patches released by Schweitzer Engineering Laboratories for the SEL-411L device to mitigate the CVE-2023-2267 vulnerability effectively.