CVE-2018-17066 Explained : Impact and Mitigation
Learn about CVE-2018-17066, a command injection vulnerability in D-Link DIR-816 A2 1.10 B05 devices. Understand the impact, affected systems, exploitation method, and mitigation steps.
A vulnerability has been identified in D-Link DIR-816 A2 1.10 B05 devices that could lead to command injection through the usage of shell metacharacters in the datetime parameter.
Understanding CVE-2018-17066
This CVE involves a command injection vulnerability in D-Link DIR-816 A2 1.10 B05 devices.
What is CVE-2018-17066?
CVE-2018-17066 is a security flaw in the handler function of the /goform/form2systime.cgi route in D-Link DIR-816 A2 1.10 B05 devices, allowing for potential command injection.
The Impact of CVE-2018-17066
The vulnerability could be exploited by attackers to inject malicious commands into the system, potentially leading to unauthorized access or system compromise.
Technical Details of CVE-2018-17066
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The handler function of the /goform/form2systime.cgi route in D-Link DIR-816 A2 1.10 B05 devices uses an HTTP request parameter in constructing a command string, opening the door to command injection through shell metacharacters in the datetime parameter.
Affected Systems and Versions
- Product: D-Link DIR-816 A2 1.10 B05
- Vendor: D-Link
- Version: Not Applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the datetime parameter with shell metacharacters, allowing them to execute arbitrary commands on the affected device.
Mitigation and Prevention
Protecting systems from CVE-2018-17066 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable remote access if not required
- Implement strong input validation to prevent command injection
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update firmware to patch known vulnerabilities
- Conduct security audits and penetration testing to identify weaknesses
- Educate users on safe computing practices
Patching and Updates
Ensure that the latest firmware updates provided by D-Link are applied to mitigate the CVE-2018-17066 vulnerability.