CVE-2023-6407 : Vulnerability Insights and Analysis

This CVE-2023-6407 was published on December 14, 2023, by Schneider Electric. It involves a vulnerability in the Easy UPS Online Monitoring Software that could lead to arbitrary file deletion by a local and low-privileged attacker during service restart.

Understanding CVE-2023-6407

This section will delve deeper into the nature of the CVE-2023-6407 vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-6407?

CVE-2023-6407 is categorized under CWE-22, referring to an Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) vulnerability. Specifically, it allows for arbitrary file deletion upon service restart when exploited by a local and low-privileged attacker.

The Impact of CVE-2023-6407

The impact of CVE-2023-6407 is considered moderate, with a CVSS v3.1 base score of 5.3 (Medium). The vulnerability's attack complexity is rated as high, with a local attack vector and high availability impact. While the confidentiality impact is none, the integrity impact is low, and privileges required are low as well.

Technical Details of CVE-2023-6407

Understanding the technical aspects of CVE-2023-6407 is crucial in comprehending its implications and formulating effective mitigation strategies.

Vulnerability Description

The vulnerability stems from an improper limitation of a pathname to a restricted directory, allowing for path traversal and subsequent arbitrary file deletion when leveraged by a local and low-privileged attacker.

Affected Systems and Versions

The affected product in this CVE is the Easy UPS Online Monitoring Software developed by Schneider Electric. Specifically, versions 2.6-GA-01-23116 and prior running on Windows 10, 11, Windows Server 2016, 2019, and 2022 are impacted by this vulnerability.

Exploitation Mechanism

The exploitation of CVE-2023-6407 occurs when a local and low-privileged attacker gains access to the vulnerable system and triggers arbitrary file deletion during service restart, exploiting the improper pathname restriction vulnerability.

Mitigation and Prevention

Effective mitigation and prevention strategies are essential to safeguard systems and data from potential exploitation of CVE-2023-6407.

Immediate Steps to Take

Immediate steps to mitigate the CVE-2023-6407 vulnerability include applying security patches provided by Schneider Electric, restricting access to vulnerable systems, and monitoring for any suspicious activity that could indicate exploitation attempts.

Long-Term Security Practices

In the long term, organizations should implement robust security measures, including regular security assessments, employee training on cybersecurity best practices, and the adoption of secure coding standards to prevent similar vulnerabilities from arising in the future.

Patching and Updates

Regularly updating the Easy UPS Online Monitoring Software to the latest secure version released by Schneider Electric is crucial in addressing the CVE-2023-6407 vulnerability. Timely patching ensures that known security flaws are remediated, reducing the risk of exploitation and enhancing overall system resilience.