Understand the impact of CVE-2022-47457, a vulnerability in Unisoc's wlan driver leading to local denial of service attacks in Android10/11/12 versions. Learn about affected systems, exploitation, and mitigation.
A detailed overview of CVE-2022-47457 providing insights into the vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2022-47457
This section delves into the specifics of CVE-2022-47457, shedding light on the nature of the vulnerability.
What is CVE-2022-47457?
The CVE-2022-47457 vulnerability exists in the wlan driver, potentially resulting in a local denial of service within wlan services due to a missing params check.
The Impact of CVE-2022-47457
The impact of CVE-2022-47457 can be severe, leading to disruptions in wlan services and local denial of service scenarios.
Technical Details of CVE-2022-47457
This section outlines the technical aspects of CVE-2022-47457, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability originates from a missing params check in the wlan driver, opening the door to local denial of service attacks within wlan services.
Affected Systems and Versions
The vulnerability affects Unisoc (Shanghai) Technologies Co., Ltd.'s SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T770, T820, and S8000 running Android10, Android11, and Android12.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the absence of proper params checks in the wlan driver to launch local denial of service attacks.
Mitigation and Prevention
This section covers essential steps to mitigate the CVE-2022-47457 vulnerability, ensuring systems remain secure.
Immediate Steps to Take
Immediately update affected systems with the latest patches and security updates to address the missing params check vulnerability in the wlan driver.
Long-Term Security Practices
Implement robust security practices, including regular security audits, threat monitoring, and employee training, to enhance overall cybersecurity posture.
Patching and Updates
Stay abreast of security advisories from Unisoc (Shanghai) Technologies Co., Ltd. and promptly apply patches and updates to mitigate known vulnerabilities.