CVE-2017-10723 : Security Advisory and Response

During recent research on IoT devices, a memory corruption issue was discovered in the latest firmware for the Shekar Endoscope, allowing remote code execution by an attacker connected to the device's Wi-Fi SSID.

Understanding CVE-2017-10723

This CVE pertains to a critical vulnerability found in the Shekar Endoscope firmware.

What is CVE-2017-10723?

The Shekar Endoscope, used in industrial systems, car garages, and medical clinics, is susceptible to a memory corruption flaw that enables unauthorized remote code execution through a specific Wi-Fi request.

The Impact of CVE-2017-10723

Attackers connected to the device's Wi-Fi can execute remote code, compromising video feeds and potentially gaining access to air-gapped networks.

Technical Details of CVE-2017-10723

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw lies in the "setwifiname" function, allowing attackers to overflow the function and manipulate the $PC value, leading to remote code execution.

Affected Systems and Versions

Product: Shekar Endoscope
Version: Latest firmware

Exploitation Mechanism

Attacker connected to the device's Wi-Fi SSID
Specific Wi-Fi name change request format triggers the vulnerability
Function at address "0x00409AE0" redirects to "setwifiname" function, enabling code execution.

Mitigation and Prevention

Protecting systems from CVE-2017-10723 is crucial for security.

Immediate Steps to Take

Disable Wi-Fi on the Shekar Endoscope if not required
Implement network segmentation to isolate IoT devices
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update firmware and apply security patches
Conduct security assessments and penetration testing
Educate users on IoT security best practices

Patching and Updates

Check for firmware updates from the vendor
Apply patches promptly to mitigate the vulnerability