CVE-2023-5629 : Exploit Details and Defense Strategies

This CVE-2023-5629 vulnerability affects Schneider Electric's Trio Q-Series Ethernet Data Radio, Trio E-Series Ethernet Data Radio, and Trio J-Series Ethernet Data Radio. It poses a risk of information disclosure through phishing attempts over HTTP due to a CWE-601: URL Redirection to Untrusted Site ('Open Redirect') vulnerability.

Understanding CVE-2023-5629

This section delves into the details of the CVE-2023-5629 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-5629?

The CVE-2023-5629 vulnerability involves a CWE-601: URL Redirection to Untrusted Site ('Open Redirect') issue. It allows attackers to redirect users to malicious websites, facilitating information disclosure through phishing attacks over HTTP.

The Impact of CVE-2023-5629

The vulnerability's impact is rated as high severity with a CVSSv3 base score of 8.2. It has a high confidentiality impact and low integrity impact. Although the attack complexity is low, user interaction is required, making it crucial to address promptly.

Technical Details of CVE-2023-5629

Understanding the technical aspects of the CVE-2023-5629 vulnerability helps in comprehending its scope and implications.

Vulnerability Description

The vulnerability stems from an 'Open Redirect' weakness, enabling threat actors to redirect users to untrusted sites, leading to potential data exposure and exploitation through phishing tactics over HTTP.

Affected Systems and Versions

Trio Q-Series Ethernet Data Radio: Versions prior to 2.7.0 are impacted.
Trio E-Series Ethernet Data Radio: All versions of models ER45e, EB45e, EH45e are affected.
Trio J-Series Ethernet Data Radio: All versions are vulnerable to this CVE.

Exploitation Mechanism

Exploiting CVE-2023-5629 involves directing users to malicious websites through URL redirection, enticing them to disclose sensitive information unknowingly, making them susceptible to phishing attacks.

Mitigation and Prevention

Mitigating the CVE-2023-5629 vulnerability is crucial to safeguard systems against potential data breaches and unauthorized access.

Immediate Steps to Take

Implement security patches and updates provided by Schneider Electric promptly.
Educate users about phishing tactics and raise awareness to prevent falling victim to such attacks.
Monitor network traffic for suspicious URL redirection attempts and take necessary action to block them.

Long-Term Security Practices

Regularly update firmware and software to address security vulnerabilities proactively.
Conduct security assessments and penetration testing to identify and remediate weaknesses in the system.
Enforce strict access control measures to limit exposure to potential threats.

Patching and Updates

Schneider Electric has released patches to address the CVE-2023-5629 vulnerability. Ensure timely application of these patches to secure Trio Q-Series, Trio E-Series, and Trio J-Series Ethernet Data Radios against exploitation and data disclosure risks.