CVE-2023-24015 : What You Need to Know

This CVE, assigned on August 9, 2023, pertains to a partial Denial of Service (DoS) vulnerability affecting Nozomi Networks' Guardian and CMC products before version 22.6.2.

Understanding CVE-2023-24015

This vulnerability allows a malicious authenticated user to exploit the Reports section by saving a report with a null name, resulting in partial unavailability of the reports section.

What is CVE-2023-24015?

The CVE-2023-24015 vulnerability involves a partial DoS situation in the Reports section, where an authenticated malicious user can force a report to be saved with no name. This action leads to the reports section becoming partially unavailable upon subsequent use, with the report list appearing stuck on loading.

The Impact of CVE-2023-24015

The impact of this vulnerability is categorized as a medium severity threat based on the CVSS v3.1 base score of 4.3. The availability impact is deemed low. The vulnerability is related to CAPEC-153 Input Data Manipulation, presenting a risk to the operational integrity of the affected systems.

Technical Details of CVE-2023-24015

This section provides insights into the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability allows a malicious authenticated user to create a report with a null name in the Reports section, causing subsequent unavailability of the reports section functionality.

Affected Systems and Versions

Nozomi Networks' Guardian and CMC products versions lower than 22.6.2 are impacted by this CVE.

Exploitation Mechanism

By saving a report with a null name, a malicious authenticated user can trigger the partial DoS vulnerability in the Reports section, affecting its usability.

Mitigation and Prevention

Addressing and preventing CVE-2023-24015 involves immediate steps, long-term security practices, and applying necessary patches or updates.

Immediate Steps to Take

Implement internal firewall features to restrict access to the web management interface, reducing the risk of exploitation by malicious users.

Long-Term Security Practices

Regular security assessments, monitoring, and access controls should be maintained to enhance the overall security posture, preventing similar vulnerabilities in the future.

Patching and Updates

To mitigate the CVE-2023-24015 vulnerability, users are advised to upgrade their Nozomi Networks Guardian and CMC products to version 22.6.2 or newer. Regularly applying software updates and patches is crucial to addressing known security issues.