CVE-2022-21750 : What You Need to Know
Learn about CVE-2022-21750, an Android Wi-Fi driver flaw in MediaTek devices enabling local privilege escalation. Take immediate steps for mitigation and follow long-term security practices.
A vulnerability has been identified in MediaTek Wi-Fi driver that could allow for local escalation of privilege without requiring user interaction. Understanding the impact, affected systems, and mitigation strategies is crucial.
Understanding CVE-2022-21750
This CVE details a possible out-of-bounds write issue in the WLAN driver, potentially leading to privilege escalation on affected devices running Android 11.0 and 12.0.
What is CVE-2022-21750?
The CVE-2022-21750 vulnerability arises from a missing bounds check in the MediaTek Wi-Fi driver, enabling attackers to execute system-level commands locally without user interaction.
The Impact of CVE-2022-21750
Exploiting this vulnerability could result in unauthorized privilege escalation, granting attackers elevated system permissions on the affected Android devices.
Technical Details of CVE-2022-21750
Understanding the technical aspects of this CVE is crucial for organizations to assess their risk exposure and implement necessary security measures.
Vulnerability Description
The vulnerability in the MediaTek Wi-Fi driver allows for an out-of-bounds write, posing a risk of local privilege escalation on systems with Android 11.0 and 12.0.
Affected Systems and Versions
Devices with MediaTek chipsets including MT6761, MT6779, MT6883, and more, running Android 11.0 and 12.0 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability without user interaction, potentially gaining system-level privileges on vulnerable devices.
Mitigation and Prevention
Taking immediate steps to address CVE-2022-21750 and implementing long-term security practices are essential to safeguard systems against potential exploitation.
Immediate Steps to Take
Organizations should apply the provided patch ID - ALPS06521283, and closely monitor security updates from MediaTek for further guidance.
Long-Term Security Practices
Implementing regular security updates, maintaining strong access controls, and conducting ongoing vulnerability assessments are crucial for long-term security.
Patching and Updates
Stay informed about security bulletins from MediaTek to ensure timely application of patches and updates to mitigate the risk posed by CVE-2022-21750.