CVE-2022-23103 : Security Advisory and Response

A stack-based buffer overflow vulnerability has been identified in the confsrv confctl_set_app_language functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. This vulnerability could allow an attacker to trigger a stack-based buffer overflow by sending a specially-crafted network packet.

Understanding CVE-2022-23103

This section will delve into what CVE-2022-23103 entails, its impact, technical details, and mitigation strategies.

What is CVE-2022-23103?

The CVE-2022-23103 vulnerability exists in TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14, allowing for a stack-based buffer overflow through a malicious network packet.

The Impact of CVE-2022-23103

The impact of CVE-2022-23103 is rated as high, with a CVSS base score of 8.8. It can lead to severe consequences such as data confidentiality, integrity, and availability breaches.

Technical Details of CVE-2022-23103

Let's explore the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

A stack-based buffer overflow occurs in the confctl_set_app_language function of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14, triggered by a specially-crafted network packet.

Affected Systems and Versions

The vulnerable version impacted by CVE-2022-23103 is MS1G_00_01.00_14 of TCL LinkHub Mesh Wi-Fi.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending a crafted network packet to initiate a stack-based buffer overflow.

Mitigation and Prevention

Here, we outline immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2022-23103.

Immediate Steps to Take

Immediately apply security patches, monitor network traffic for suspicious activity, and restrict network access where possible.

Long-Term Security Practices

Incorporate network segmentation, regularly update firmware, conduct security assessments, and educate users on safe network practices.

Patching and Updates

Stay informed about security updates from TCL, apply patches promptly, and implement secure configuration practices to safeguard against future vulnerabilities.