CVE-2022-42757 : Vulnerability Insights and Analysis
Learn about CVE-2022-42757, a vulnerability in Unisoc wlan driver leading to local denial of service. Impact, affected systems, and mitigation steps detailed.
A vulnerability in the wlan driver of Unisoc devices could allow for a local denial of service attack. This CVE was published on December 6, 2022, by Unisoc.
Understanding CVE-2022-42757
This section will cover the details of the vulnerability, its impact, technical aspects, and mitigation strategies.
What is CVE-2022-42757?
The vulnerability in the wlan driver can result in a local denial of service within wlan services on Unisoc devices, impacting various models running Android 10, 11, and 12.
The Impact of CVE-2022-42757
The exploit of this vulnerability could lead to a local denial of service, affecting the availability and functionality of wlan services on the affected Unisoc devices.
Technical Details of CVE-2022-42757
Let's delve into the specifics of the vulnerability.
Vulnerability Description
The issue arises from a missing bounds check in the wlan driver, potentially leading to a buffer over-read vulnerability (CWE-126).
Affected Systems and Versions
Unisoc devices such as SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8015 running Android 10, 11, and 12 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit the missing bounds check in the wlan driver to trigger a denial of service condition locally, affecting the wlan services on vulnerable devices.
Mitigation and Prevention
Discover the steps to address and prevent the exploitation of CVE-2022-42757.
Immediate Steps to Take
Users of Unisoc devices should apply security patches provided by the manufacturer promptly to mitigate the risk of exploitation.
Long-Term Security Practices
Regularly update the firmware and security software on Unisoc devices to ensure protection against known vulnerabilities and threats. Implement network security measures to minimize the impact of potential attacks.
Patching and Updates
Stay informed about security updates and patches released by Unisoc for the affected devices. Timely application of patches is crucial to maintain the security posture of Unisoc devices.