CVE-2022-21768 : Security Advisory and Response
Know about CVE-2022-21768, a Bluetooth vulnerability in MediaTek's MT8167S, MT8175, MT8183, MT8362A, MT8365, MT8385 devices running Android 8.1-12.0. Learn impacts, mitigation, and prevention.
This CVE-2022-21768 pertains to a vulnerability found in Bluetooth, specifically due to a missing bounds check. This flaw could potentially result in an out-of-bounds write, leading to a local escalation of privilege without requiring additional execution privileges or user interaction for exploitation.
Understanding CVE-2022-21768
This section provides a detailed insight into the nature and implications of CVE-2022-21768.
What is CVE-2022-21768?
The vulnerability in Bluetooth poses a risk of local privilege escalation by allowing an out-of-bounds write, thus enabling attackers to gain unauthorized access without requiring user interaction.
The Impact of CVE-2022-21768
The impact of this vulnerability includes the potential for threat actors to escalate privileges locally without the need for additional execution privileges or user interaction.
Technical Details of CVE-2022-21768
Delve deeper into the technical aspects of CVE-2022-21768 to understand its implications.
Vulnerability Description
The vulnerability stems from a missing bounds check in Bluetooth, allowing for an out-of-bounds write that could be exploited for local privilege escalation.
Affected Systems and Versions
Products impacted by this vulnerability include MT8167S, MT8175, MT8183, MT8362A, MT8365, MT8385 running Android versions 8.1, 9.0, 10.0, 11.0, and 12.0.
Exploitation Mechanism
Threat actors can exploit this vulnerability to achieve local privilege escalation without requiring any additional execution privileges or user interaction.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2022-21768 and prevent potential exploitation.
Immediate Steps to Take
To address this vulnerability, it is crucial to apply the necessary patches and updates provided by MediaTek.
Long-Term Security Practices
Incorporate robust security practices into your systems to enhance overall protection against potential privilege escalation vulnerabilities.
Patching and Updates
Regularly update your systems and apply security patches to mitigate the risks posed by CVE-2022-21768.