CVE-2018-17564 : Exploit Details and Defense Strategies

Grandstream GXP16xx VoIP 1.0.4.128 phones are vulnerable to attackers who can delete configuration parameters and achieve admin access by sending a malformed input string to /cgi-bin/delete_CA.

Understanding CVE-2018-17564

This CVE involves a vulnerability in Grandstream GXP16xx VoIP 1.0.4.128 phones that allows attackers to manipulate configuration parameters.

What is CVE-2018-17564?

The vulnerability in Grandstream GXP16xx VoIP 1.0.4.128 phones enables attackers to delete configuration parameters and gain admin access by exploiting a flaw in /cgi-bin/delete_CA.

The Impact of CVE-2018-17564

This vulnerability can lead to unauthorized access to the device, potentially compromising sensitive information and device functionality.

Technical Details of CVE-2018-17564

Grandstream GXP16xx VoIP 1.0.4.128 phones are susceptible to a specific attack vector.

Vulnerability Description

Attackers can delete configuration parameters and obtain admin privileges by sending a malformed input string to /cgi-bin/delete_CA on the affected devices.

Affected Systems and Versions

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

Exploitation Mechanism

By sending a specially crafted input string to /cgi-bin/delete_CA, attackers can exploit this vulnerability to gain unauthorized access.

Mitigation and Prevention

It is crucial to take immediate action to secure the affected devices and prevent unauthorized access.

Immediate Steps to Take

Disable remote access to the device if not required
Implement strong password policies
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security audits and penetration testing
Educate users on safe practices and awareness

Patching and Updates

Check for firmware updates from Grandstream
Apply patches provided by the vendor to address this vulnerability