CVE-2018-20161 Explained : Impact and Mitigation

A design flaw in the BlinkForHome Sync Module 2.10.4 and earlier versions allows attackers to deactivate cameras over Wi-Fi, leading to the unavailability of incident clips triggered by the motion sensor and live video access.

Understanding CVE-2018-20161

This CVE describes a vulnerability in the BlinkForHome Sync Module that enables attackers to disrupt camera functionality over Wi-Fi.

What is CVE-2018-20161?

Attackers can exploit a design flaw in the BlinkForHome Sync Module 2.10.4 and prior versions, allowing them to deactivate cameras over Wi-Fi. This flaw results in the loss of incident clips triggered by the motion sensor and access to live video.

The Impact of CVE-2018-20161

The vulnerability permits attackers to disrupt the normal functioning of BlinkForHome cameras, potentially compromising the security and surveillance capabilities of affected systems.

Technical Details of CVE-2018-20161

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the BlinkForHome Sync Module allows attackers to disconnect cameras over Wi-Fi, preventing the storage of incident clips triggered by the motion sensor and blocking access to live video.

Affected Systems and Versions

Product: BlinkForHome Sync Module
Versions affected: 2.10.4 and earlier

Exploitation Mechanism

Attackers exploit the vulnerability by sending specific traffic, like Dot11Deauth, to disconnect the Sync Module from the Wi-Fi network.

Mitigation and Prevention

Protecting systems from CVE-2018-20161 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the BlinkForHome Sync Module to the latest version to patch the vulnerability.
Monitor camera activity for any suspicious behavior that may indicate an ongoing attack.

Long-Term Security Practices

Regularly update all connected devices and applications to mitigate potential security risks.
Implement network segmentation to isolate IoT devices like cameras from critical systems.

Patching and Updates

Stay informed about security updates and patches released by BlinkForHome to address known vulnerabilities.