CVE-2023-26058 : Security Advisory and Response

An XML External Entity (XXE) issue was identified in Nokia NetAct before 22 FP2211, specifically in a Performance Manager page. This vulnerability arises due to the lack of input validation and a proper XML parser configuration. While it may be challenging for external attackers to exploit this issue, internal users could potentially carry out an attack.

Understanding CVE-2023-26058

This section will cover the key aspects of CVE-2023-26058, shedding light on the vulnerability and its implications.

What is CVE-2023-26058?

The vulnerability CVE-2023-26058 relates to an XXE issue in Nokia NetAct before version 22 FP2211. Attackers could exploit this vulnerability by sending a malicious XML document to a Performance Manager page, potentially leading to security breaches.

The Impact of CVE-2023-26058

CVE-2023-26058 has a moderate impact, with a CVSS base score of 6.5 (Medium Severity). The confidentiality of the system is at high risk, while integrity and availability impacts are low. This vulnerability underscores the importance of addressing XML parsing vulnerabilities to prevent unauthorized access and data disclosure.

Technical Details of CVE-2023-26058

Delving into the technical specifics of CVE-2023-26058 to gain a deeper understanding of the vulnerability.

Vulnerability Description

The vulnerability stems from the lack of input validation and appropriate XML parser configuration in Nokia NetAct before version 22 FP2211, allowing attackers to exploit XXE vulnerabilities.

Affected Systems and Versions

All versions of Nokia NetAct before 22 FP2211 are affected by CVE-2023-26058. Users are advised to update to the latest version to mitigate this vulnerability.

Exploitation Mechanism

To exploit CVE-2023-26058, attackers need specific parameters like Jsession-id, CSRF token, and Nxsrf token. While external exploitation is challenging, internal users could perform attacks utilizing these parameters.

Mitigation and Prevention

Taking proactive measures to mitigate the risks associated with CVE-2023-26058 is crucial for ensuring system security.

Immediate Steps to Take

Implement strict input validation procedures and configure a secure XML parser to prevent XXE attacks. Regularly monitor system logs for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address potential vulnerabilities before they can be exploited. Educate internal users on best practices for handling sensitive data to prevent inadvertent data exposure.

Patching and Updates

Ensure that Nokia NetAct is updated to version 22 FP2211 or the latest available version to patch the XXE vulnerability. Stay informed about security updates and patches released by the vendor to protect against emerging threats.