CVE-2018-18871 Explained : Impact and Mitigation

This CVE-2018-18871 article provides insights into a vulnerability in Gigaset Maxwell Basic VoIP phones that allows remote attackers to change the admin password without authentication.

Understanding CVE-2018-18871

This CVE-2018-18871 vulnerability was made public on November 22, 2018, and poses a security risk to Gigaset Maxwell Basic VoIP phones with firmware 2.22.7.

What is CVE-2018-18871?

The absence of password verification in the web interface of Gigaset Maxwell Basic VoIP phones with firmware 2.22.7 allows a remote attacker within the same network to modify the admin password without authentication.

The Impact of CVE-2018-18871

This vulnerability enables unauthorized users to change the admin password without needing the original password, potentially leading to unauthorized access and control of the device.

Technical Details of CVE-2018-18871

This section delves into the technical aspects of the CVE-2018-18871 vulnerability.

Vulnerability Description

The lack of password verification in the web interface of Gigaset Maxwell Basic VoIP phones with firmware 2.22.7 permits remote attackers to alter the admin password without authentication.

Affected Systems and Versions

Product: Gigaset Maxwell Basic VoIP phones
Vendor: Gigaset
Versions: Firmware 2.22.7

Exploitation Mechanism

The vulnerability allows remote attackers within the same network as the device to exploit the web interface and change the admin password without requiring authentication.

Mitigation and Prevention

Protecting against CVE-2018-18871 involves immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote access to the affected devices if not required.
Monitor network traffic for any suspicious activities.
Implement strong network segmentation to limit access to critical devices.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential weaknesses.
Educate users on secure password practices and the importance of network security.
Consider implementing multi-factor authentication for enhanced security.

Patching and Updates

Check for firmware updates from Gigaset to address the password verification issue.
Apply patches promptly to ensure the security of Gigaset Maxwell Basic VoIP phones.