CVE-2023-22286 Explained : Impact and Mitigation

This CVE record was published on January 17, 2023, by JPCERT. It highlights a Cross-site request forgery (CSRF) vulnerability in MAHO-PBX NetDevancer series prior to Ver.1.11.00, which could allow a remote unauthenticated attacker to hijack user authentication and perform unintended operations.

Understanding CVE-2023-22286

This section will delve into the details of CVE-2023-22286, explaining the vulnerability and its potential impact.

What is CVE-2023-22286?

CVE-2023-22286 is a CSRF vulnerability found in MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud, VSG Lite/Uni, and MobileGate Home/Office versions prior to Ver.1.11.00. This vulnerability enables attackers to manipulate user authentication and conduct unauthorized actions by tricking users into visiting a malicious web page while logged in.

The Impact of CVE-2023-22286

The impact of CVE-2023-22286 is significant as it allows remote attackers to exploit the CSRF vulnerability to take control of user sessions and execute operations without user consent. This could lead to unauthorized access to sensitive information and malicious activities within the affected systems.

Technical Details of CVE-2023-22286

In this section, we will explore the technical aspects of CVE-2023-22286, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in MAHO-PBX NetDevancer series prior to Ver.1.11.00 enables remote attackers to conduct CSRF attacks, hijack user sessions, and perform unauthorized operations without user awareness or consent.

Affected Systems and Versions

The affected products include MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud, VSG Lite/Uni, and MobileGate Home/Office versions prior to Ver.1.11.00. Users of these versions are at risk of CSRF attacks leading to unauthorized access and control of their accounts.

Exploitation Mechanism

Attackers can exploit the CVE-2023-22286 vulnerability by persuading authenticated users to visit a specially crafted malicious web page. Once the user interacts with the page, the attacker can execute unauthorized actions on behalf of the user within the affected MAHO-PBX NetDevancer systems.

Mitigation and Prevention

To address the risks associated with CVE-2023-22286, it is crucial to implement immediate steps, adopt long-term security practices, and apply necessary patches and updates to the affected systems.

Immediate Steps to Take

Users and administrators should ensure that they are not logged in when visiting untrusted websites and avoid clicking on suspicious links to mitigate CSRF attacks. Additionally, monitoring system activity for unauthorized actions can help detect potential exploits of this vulnerability.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security assessments, and providing security awareness training to users can enhance the overall security posture and resilience against CSRF vulnerabilities like CVE-2023-22286.

Patching and Updates

Vendor patches or updates addressing the CSRF vulnerability in MAHO-PBX NetDevancer series versions prior to Ver.1.11.00 should be applied promptly to mitigate the risk of exploitation. Regularly checking for security advisories and implementing updates can help safeguard systems from known vulnerabilities.