CVE-2023-2567 : Vulnerability Insights and Analysis

This CVE record details an authenticated SQL Injection vulnerability found in Nozomi Networks' Guardian and CMC products before versions 22.6.3 and 23.1.0. The issue was discovered by Mostafa Soliman of IBM X-Force Red during a VAPT testing session commissioned by a customer.

Understanding CVE-2023-2567

This vulnerability allows authenticated attackers to execute arbitrary SQL queries on the database management system (DBMS) used by the web application, leading to unauthorized extraction of information in an uncontrolled manner.

What is CVE-2023-2567?

The SQL Injection vulnerability in Nozomi Networks Guardian and CMC arises from improper input validation in certain parameters utilized in the Query functionality. Authenticated users can exploit this flaw to execute arbitrary SQL queries on the DBMS.

The Impact of CVE-2023-2567

The impact of this vulnerability is rated as HIGH severity according to the CVSS v3.1 base score of 7.6. The confidentiality of affected systems is at risk due to the ability of attackers to extract sensitive information from the database. The attack vector is through the network, with low complexity required for exploitation.

Technical Details of CVE-2023-2567

This section provides more detailed insights into the vulnerability.

Vulnerability Description

The vulnerability stems from improper input validation in certain parameters used in the Query functionality of Nozomi Networks Guardian and CMC, enabling authenticated adversaries to execute arbitrary SQL queries on the DBMS.

Affected Systems and Versions

The affected products include Nozomi Networks Guardian and CMC versions prior to 22.6.3 and 23.1.0.

Exploitation Mechanism

The exploitation involves authenticated users manipulating specific parameters in the Query functionality to inject and execute arbitrary SQL queries on the underlying DBMS.

Mitigation and Prevention

To address and mitigate the risks associated with CVE-2023-2567, the following steps can be taken:

Immediate Steps to Take

Upgrade affected systems to versions 22.6.3, 23.1.0, or later to patch the vulnerability.
Utilize internal firewall features to restrict access to the web management interface, reducing the attack surface.

Long-Term Security Practices

Implement secure coding practices to prevent SQL Injection vulnerabilities in future developments.
Regularly conduct security assessments and penetration testing to identify and address any potential vulnerabilities.

Patching and Updates

Regularly monitor for security advisories from Nozomi Networks and apply patches promptly to ensure systems are protected from known vulnerabilities.