CVE-2017-17020 : What You Need to Know

A command injection vulnerability has been identified in certain D-Link camera devices, allowing remote attackers to execute unauthorized code.

Understanding CVE-2017-17020

What is CVE-2017-17020?

The vulnerability affects D-Link DCS-5009, DCS-5010, and DCS-5020L devices, enabling remote authenticated attackers to execute code by manipulating input fields.

The Impact of CVE-2017-17020

The vulnerability allows attackers to run unauthorized code on affected D-Link camera devices, potentially compromising the security and privacy of users.

Technical Details of CVE-2017-17020

Vulnerability Description

The vulnerability is related to the alphapd binary, responsible for the camera's web server operation, allowing attackers to exploit the AdminID field in the /setSystemAdmin function.

Affected Systems and Versions

D-Link DCS-5009 devices with firmware version 1.08.11 or earlier
DCS-5010 devices with firmware version 1.14.09 or earlier
DCS-5020L devices with firmware versions prior to 1.15.01

Exploitation Mechanism

Attackers can execute unauthorized code by manipulating input in the AdminID field, which is then passed to a call to the system function.

Mitigation and Prevention

Immediate Steps to Take

Update the firmware of affected D-Link camera devices to the latest version.
Restrict remote access to the camera devices.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and software on all connected devices.
Implement strong authentication mechanisms for remote access.

Patching and Updates

Apply patches and security updates provided by D-Link to address the vulnerability.