CVE-2018-17064 : Exploit Details and Defense Strategies

A vulnerability was found on D-Link DIR-816 A2 1.10 B05 devices that could lead to command injection through the syslogIp parameter.

Understanding CVE-2018-17064

This CVE involves a command injection vulnerability on D-Link DIR-816 A2 1.10 B05 devices.

What is CVE-2018-17064?

This vulnerability occurs in the handler function of the /goform/sylogapply route, where an HTTP request parameter is used to construct a command string. Subsequently, invoking /goform/clearlog could result in command injection through the syslogIp parameter.

The Impact of CVE-2018-17064

The vulnerability could allow an attacker to execute arbitrary commands on the affected device, potentially leading to unauthorized access or further compromise.

Technical Details of CVE-2018-17064

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from the improper handling of user-supplied data in constructing command strings, enabling malicious injection.

Affected Systems and Versions

Affected Product: D-Link DIR-816 A2 1.10 B05
Affected Version: Not applicable

Exploitation Mechanism

The vulnerability is exploited by manipulating the syslogIp parameter during the /goform/clearlog operation, allowing unauthorized command execution.

Mitigation and Prevention

Protecting systems from CVE-2018-17064 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote access if not required to minimize attack surface
Implement strong access controls and authentication mechanisms
Regularly monitor and analyze system logs for suspicious activities

Long-Term Security Practices

Keep systems up to date with the latest security patches
Conduct regular security assessments and penetration testing
Educate users on safe computing practices to prevent social engineering attacks

Patching and Updates

Ensure timely application of vendor-supplied patches and updates to address the vulnerability.