CVE-2022-26473 : Security Advisory and Response

An informative and detailed insight into the CVE-2022-26473 vulnerability discovered by MediaTek.

Understanding CVE-2022-26473

CVE-2022-26473 is a vulnerability found in the vdec fmt, presenting a potential use after free scenario due to improper locking. It could result in a local escalation of privilege, requiring System execution privileges without the need for user interaction.

What is CVE-2022-26473?

CVE-2022-26473 is a security flaw in the vdec fmt component that could potentially allow threat actors to execute malicious activities and escalate privileges on affected systems.

The Impact of CVE-2022-26473

The vulnerability poses a high risk as it enables attackers to elevate their privileges locally, which could lead to unauthorized access and control over the system without requiring any user interaction.

Technical Details of CVE-2022-26473

A detailed overview of the technical aspects related to CVE-2022-26473.

Vulnerability Description

The vulnerability in vdec fmt could be exploited by threat actors to achieve a use after free scenario due to inadequate locking mechanisms, potentially resulting in a local privilege escalation attack.

Affected Systems and Versions

The vulnerability affects various MediaTek products including MT6789, MT6855, MT6879, MT6895, MT6983, MT8168, MT8365, MT8695, MT8696, and MT8798 running on Android 12.0.

Exploitation Mechanism

Threat actors can exploit this vulnerability without the need for user interaction, allowing them to escalate their privileges locally and execute malicious activities on the affected systems.

Mitigation and Prevention

Effective strategies to mitigate and prevent exploitation of CVE-2022-26473.

Immediate Steps to Take

Users and organizations are advised to apply the provided patch ID: ALPS07342197 to address the vulnerability and prevent potential privilege escalation attacks.

Long-Term Security Practices

Implementing robust security measures, such as regular system updates, security audits, and access control policies, can help bolster the overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates and patches from MediaTek to ensure that the systems are protected against known vulnerabilities.