CVE-2022-23918 : Security Advisory and Response
Discover the details of CVE-2022-23918, a stack-based buffer overflow vulnerability in TCL LinkHub Mesh Wifi MS1G_00_01.00_14 with high impact on confidentiality, integrity, and availability. Learn about mitigation strategies and patching recommendations.
A stack-based buffer overflow vulnerability exists in the confsrv set_mf_rule functionality of TCL LinkHub Mesh Wifi MS1G_00_01.00_14, allowing an attacker to trigger this vulnerability by sending a specially-crafted network packet.
Understanding CVE-2022-23918
This CVE-2022-23918 impacts TCL LinkHub Mesh Wifi versions MS1G_00_01.00_14 and is categorized as a stack-based buffer overflow vulnerability with a CVSS base score of 8.8.
What is CVE-2022-23918?
The CVE-2022-23918 vulnerability in TCL LinkHub Mesh Wifi MS1G_00_01.00_14 allows attackers to exploit the confsrv set_mf_rule functionality through a malicious network packet that triggers a stack-based buffer overflow.
The Impact of CVE-2022-23918
The vulnerability poses a high risk with confidentiality, integrity, and availability impacts. An attacker can exploit the ethAddr field in the protobuf message to cause a buffer overflow, potentially leading to unauthorized access or denial of service.
Technical Details of CVE-2022-23918
Vulnerability Description
A stack-based buffer overflow occurs in the confsrv set_mf_rule functionality of TCL LinkHub Mesh Wifi MS1G_00_01.00_14 when processing specially-crafted network packets.
Affected Systems and Versions
TCL LinkHub Mesh Wifi version MS1G_00_01.00_14 is affected by this vulnerability.
Exploitation Mechanism
Attackers can send a malicious network packet leveraging the ethAddr field in the protobuf message to trigger the stack-based buffer overflow, potentially compromising the device.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to apply security updates provided by TCL to mitigate the vulnerability. Network segmentation and access controls can help reduce the attack surface.
Long-Term Security Practices
Implementing regular security assessments, network monitoring, and staying updated with security best practices can enhance overall cybersecurity posture.
Patching and Updates
Stay informed about security advisories from TCL for patch releases addressing CVE-2022-23918 to ensure the system is protected against potential exploits.