CVE-2022-21755 : What You Need to Know

This CVE-2022-21755 impacts MediaTek devices running on Android 11.0 and 12.0 due to an out of bounds read vulnerability in the WLAN driver. The vulnerability could allow local attackers to gain sensitive information without requiring user interaction.

Understanding CVE-2022-21755

This section provides insights into the nature and impact of CVE-2022-21755.

What is CVE-2022-21755?

CVE-2022-21755 is a security vulnerability found in MediaTek devices that can result in local information disclosure without user interaction, affecting devices running Android 11.0 and 12.0.

The Impact of CVE-2022-21755

The vulnerability in the WLAN driver could potentially lead to local information disclosure, requiring system execution privileges but no user interaction for exploitation.

Technical Details of CVE-2022-21755

This section elaborates on the technical aspects of CVE-2022-21755.

Vulnerability Description

The vulnerability involves an out of bounds read in the WLAN driver due to an incorrect bounds check, allowing attackers to access sensitive information.

Affected Systems and Versions

MediaTek devices running on Android 11.0 and 12.0 are affected by this vulnerability due to the flawed WLAN driver implementation.

Exploitation Mechanism

Exploiting this vulnerability does not require user interaction and can be performed by local attackers with system execution privileges.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-21755.

Immediate Steps to Take

Users are advised to apply the provided patch ID (ALPS06545464) to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Incorporate robust security practices, such as regular security updates and monitoring, to enhance device protection against similar vulnerabilities.

Patching and Updates

Monitor official sources for security bulletins and updates from MediaTek to stay informed about patches and security measures.