CVE-2022-47370 : What You Need to Know
Learn about CVE-2022-47370, a local denial of service vulnerability in wlan services of Unisoc products. Understand the impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2022-47370, including its description, impact, technical details, and mitigation steps.
Understanding CVE-2022-47370
CVE-2022-47370 is a security vulnerability identified in the wlan driver of Unisoc (Shanghai) Technologies Co., Ltd. products. The vulnerability could result in a local denial of service in wlan services.
What is CVE-2022-47370?
CVE-2022-47370 involves a missing params check in the wlan driver, which may be exploited by an attacker to cause a denial of service locally within wlan services.
The Impact of CVE-2022-47370
The impact of this vulnerability is the potential disruption of wlan services on affected devices, leading to a denial of service condition. This could affect the usability and performance of the devices.
Technical Details of CVE-2022-47370
The following technical details outline the vulnerability, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability in the wlan driver is due to the lack of proper validation for input parameters, allowing an attacker to trigger the denial of service condition.
Affected Systems and Versions
Products including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000, running Android 10, Android 11, or Android 12 are impacted by CVE-2022-47370.
Exploitation Mechanism
An attacker with local access to the wlan driver can exploit the missing params check to generate malicious input, causing a denial of service within the wlan services.
Mitigation and Prevention
To address CVE-2022-47370, immediate steps and long-term security practices are crucial.
Immediate Steps to Take
Users are advised to apply security patches provided by Unisoc promptly to mitigate the vulnerability. Additionally, monitor network activity for any signs of unauthorized access.
Long-Term Security Practices
Implementing network segmentation, regular security audits, and training employees on cybersecurity best practices can enhance overall security posture.
Patching and Updates
Regularly check for firmware updates and security advisories from Unisoc to ensure that devices are protected against known vulnerabilities.