CVE-2019-11417 : Vulnerability Insights and Analysis

The TRENDnet TV-IP110WN camera's system.cgi is vulnerable to a buffer overflow due to inadequate length verification, potentially exploited by attackers using a long string as the languse parameter.

Understanding CVE-2019-11417

What is CVE-2019-11417?

This CVE identifies a buffer overflow vulnerability in the TRENDnet TV-IP110WN camera's system.cgi, allowing malicious actors to execute arbitrary code.

The Impact of CVE-2019-11417

The vulnerability enables attackers to potentially compromise the camera's system and gain unauthorized access to sensitive information.

Technical Details of CVE-2019-11417

Vulnerability Description

The buffer overflow is triggered by a lack of proper length validation before a strcpy operation in the respondAsp function of the camera.

Affected Systems and Versions

Versions 1.2.2 build 28, 64, 65, and 68 of the TRENDnet TV-IP110WN camera are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a lengthy string as the languse parameter.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access to the camera if not required.
Implement network segmentation to restrict access to the camera.
Regularly monitor for any unauthorized access or unusual activities.

Long-Term Security Practices

Keep the camera firmware up to date with the latest security patches.
Conduct regular security assessments and penetration testing on the camera's system.
Educate users on secure configuration practices for IoT devices.

Patching and Updates

Check for firmware updates provided by TRENDnet to address the buffer overflow vulnerability.