CVE-2017-8406 Explained : Impact and Mitigation

A vulnerability has been discovered on D-Link DCS-1130 devices due to issues in the crossdomain.xml file, potentially exposing user credentials and enabling unauthorized access.

Understanding CVE-2017-8406

This CVE identifies a security flaw in D-Link DCS-1130 devices that allows attackers to access user credentials stored in plain text and execute unauthorized actions through the web management interface.

What is CVE-2017-8406?

The vulnerability in D-Link DCS-1130 devices stems from unrestricted access in the crossdomain.xml file, facilitating unauthorized retrieval of stored information, particularly user credentials. Additionally, the absence of protection against cross-site scripting forgery poses further risks.

The Impact of CVE-2017-8406

The vulnerability enables attackers to deceive logged-in users, execute cross-site flashing attacks, and extract credentials from the device's response, potentially compromising sensitive information.

Technical Details of CVE-2017-8406

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The issue lies in the crossdomain.xml file of D-Link DCS-1130 devices, allowing any flash file hosted on any domain to access the device's webserver without restrictions, leading to unauthorized data retrieval.

Affected Systems and Versions

Affected Product: D-Link DCS-1130
Affected Version: Not specified

Exploitation Mechanism

Attackers can exploit the vulnerability to access user credentials stored in plain text on the device.
Cross-site scripting forgery enables attackers to trick users into executing malicious actions through the web management interface.

Mitigation and Prevention

Protective measures and steps to mitigate the risks associated with CVE-2017-8406.

Immediate Steps to Take

Disable access to the crossdomain.xml file or restrict it to trusted domains.
Implement strong password policies and encryption for stored credentials.
Regularly monitor and audit web management interface activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Stay informed about security updates and patches for D-Link DCS-1130 devices.

Patching and Updates

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