CVE-2018-17565 : What You Need to Know

Grandstream GXP16xx VoIP 1.0.4.128 phones are vulnerable to Shell Metacharacter Injection in the SSH configuration interface, allowing attackers to execute unauthorized system commands and gain root access.

Understanding CVE-2018-17565

This CVE involves a security vulnerability in Grandstream GXP16xx VoIP phones that can be exploited by attackers.

What is CVE-2018-17565?

CVE-2018-17565 is a Shell Metacharacter Injection vulnerability in the SSH configuration interface of Grandstream GXP16xx VoIP 1.0.4.128 phones. This flaw enables malicious actors to run arbitrary system commands and achieve root access.

The Impact of CVE-2018-17565

The exploitation of this vulnerability can lead to unauthorized execution of commands and the compromise of the affected devices, potentially resulting in a complete system takeover.

Technical Details of CVE-2018-17565

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability allows attackers to inject shell metacharacters in the SSH configuration interface, enabling the execution of unauthorized system commands.

Affected Systems and Versions

Product: Grandstream GXP16xx VoIP 1.0.4.128 phones
Vendor: Grandstream
Version: 1.0.4.128

Exploitation Mechanism

Attackers can exploit this vulnerability in the SSH configuration interface of the affected VoIP phones to execute unauthorized system commands and gain root access.

Mitigation and Prevention

Protecting systems from CVE-2018-17565 requires immediate action and long-term security practices.

Immediate Steps to Take

Update the firmware of Grandstream GXP16xx VoIP phones to the latest version that addresses the vulnerability.
Restrict SSH access to trusted networks and users.
Monitor SSH logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential breaches.
Conduct security audits and penetration testing to identify and address security weaknesses.

Patching and Updates

Ensure timely installation of security patches and updates provided by Grandstream to mitigate the CVE-2018-17565 vulnerability.