CVE-2022-44420 : What You Need to Know
Explore the impact, technical details, and mitigation strategies for CVE-2022-44420 affecting Unisoc products and Android versions. Learn how to prevent local denial of service attacks.
A detailed analysis of CVE-2022-44420 focusing on the vulnerability, impact, technical details, and mitigation strategies.
Understanding CVE-2022-44420
This section provides an overview of the CVE-2022-44420 vulnerability.
What is CVE-2022-44420?
The CVE-2022-44420 vulnerability involves a missing verification of HashMME value in Security Mode Command within the modem. Exploitation of this vulnerability could lead to local denial of service without needing additional execution privileges.
The Impact of CVE-2022-44420
The impact of CVE-2022-44420 includes the potential for local denial of service attacks on affected systems running specific Unisoc products and Android versions.
Technical Details of CVE-2022-44420
This section delves into the technical aspects of CVE-2022-44420.
Vulnerability Description
The vulnerability arises from the lack of proper HashMME value verification in Security Mode Command within the modem, enabling the possibility of a local denial of service attack.
Affected Systems and Versions
Unisoc (Shanghai) Technologies Co., Ltd. products including SC9863A, SC9832E, SC7731E, T610, T310, T606, T760, T610, T618, T606, T612, T616, T760, T770, T820, and S8000 running Android10, Android11, Android12, or Android13 are impacted by this vulnerability.
Exploitation Mechanism
The exploitation of CVE-2022-44420 involves triggering the missing verification of HashMME value in the Security Mode Command to cause a denial of service situation locally.
Mitigation and Prevention
Explore the steps to mitigate and prevent CVE-2022-44420 from affecting your systems.
Immediate Steps to Take
Immediately apply security patches provided by Unisoc to address the CVE-2022-44420 vulnerability. Ensure systems are updated to secure versions to prevent exploitation.
Long-Term Security Practices
Implement robust security measures, conduct regular security audits, and stay informed about security updates to maintain a secure environment and mitigate future vulnerabilities.
Patching and Updates
Regularly monitor for security advisories from Unisoc and promptly apply patches and updates to safeguard systems against known vulnerabilities.