CVE-2019-14457 : Vulnerability Insights and Analysis

A stack-based buffer overflow vulnerability exists in VIVOTEK IP Camera devices with firmware versions earlier than 0x20x when a specially crafted HTTP header is utilized.

Understanding CVE-2019-14457

This CVE identifies a critical security issue in VIVOTEK IP Camera devices that could be exploited by attackers.

What is CVE-2019-14457?

The vulnerability allows for a stack-based buffer overflow in VIVOTEK IP Camera devices running firmware versions prior to 0x20x when a malicious HTTP header is employed.

The Impact of CVE-2019-14457

Exploitation of this vulnerability could lead to remote code execution, unauthorized access to the device, or denial of service attacks.

Technical Details of CVE-2019-14457

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

A stack-based buffer overflow can be triggered by sending a specifically crafted HTTP header to vulnerable VIVOTEK IP Camera devices.

Affected Systems and Versions

Affected System: VIVOTEK IP Camera devices
Vulnerable Versions: Firmware versions earlier than 0x20x

Exploitation Mechanism

The vulnerability is exploited by sending a specially crafted HTTP header to the target device, causing a stack-based buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2019-14457 requires immediate action and long-term security measures.

Immediate Steps to Take

Update VIVOTEK IP Camera firmware to a version equal to or later than 0x20x.
Implement network segmentation to restrict access to vulnerable devices.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches for all network-connected devices.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

VIVOTEK has released security advisories and patches to address this vulnerability. Ensure timely application of these updates to safeguard against potential exploits.