CVE-2022-24029 : Exploit Details and Defense Strategies

A buffer overflow vulnerability has been identified in the GetValue functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14, allowing an attacker to trigger a buffer overflow by manipulating a specific configuration value.

Understanding CVE-2022-24029

This CVE entry describes a critical buffer overflow vulnerability in the TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14, affecting the rp-pppoe.so binary.

What is CVE-2022-24029?

The vulnerability allows an attacker to exploit the GetValue functionality by crafting a specific configuration value, leading to a buffer overflow that could result in high impacts on confidentiality, integrity, and availability.

The Impact of CVE-2022-24029

With a CVSS base score of 9.6, this critical vulnerability poses a significant risk to affected systems. The attacker can trigger the buffer overflow without requiring any special privileges, emphasizing the severity of the issue.

Technical Details of CVE-2022-24029

The following technical details shed light on the vulnerability.

Vulnerability Description

The vulnerability arises due to a lack of input size validation in the GetValue functionality, allowing an attacker to overwrite adjacent memory locations.

Affected Systems and Versions

TCL LinkHub Mesh Wi-Fi version MS1G_00_01.00_14 is affected by this vulnerability.

Exploitation Mechanism

By manipulating a configuration value, an attacker can inject malicious code into the system, potentially leading to a complete system compromise.

Mitigation and Prevention

Protecting systems from CVE-2022-24029 requires immediate action and long-term security measures.

Immediate Steps to Take

It is crucial to apply security patches provided by the vendor promptly. Additionally, restricting network access and monitoring for any suspicious activities can help mitigate the risk.

Long-Term Security Practices

Implementing strong input validation mechanisms in software development and conducting regular security assessments can reduce the likelihood of similar vulnerabilities in the future.

Patching and Updates

Regularly check for updates from TCL and apply patches as soon as they are released to safeguard systems against this critical buffer overflow vulnerability.