Discover details about CVE-2022-26432, a MediaTek vulnerability allowing local privilege escalation without user interaction. Learn about impacts, affected versions, and mitigation strategies.
A vulnerability has been identified in MediaTek, Inc. products that could allow for local escalation of privilege without requiring user interaction. This article provides detailed insights into CVE-2022-26432.
Understanding CVE-2022-26432
This section delves into the description, impact, technical details, and mitigation strategies related to the CVE-2022-26432 vulnerability.
What is CVE-2022-26432?
The vulnerability exists in the mailbox feature of MediaTek products, where a missing bounds check may trigger an out-of-bounds write. Exploitation could enable an attacker to locally escalate privileges with System execution access.
The Impact of CVE-2022-26432
The exploitation of this vulnerability could result in unauthorized local privilege escalation, posing a security risk to the affected systems.
Technical Details of CVE-2022-26432
This section provides in-depth technical information about the vulnerability in terms of its description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability arises due to a missing bounds check in the mailbox feature, allowing for out-of-bounds write operations.
Affected Systems and Versions
The affected products include MT6833, MT6853, MT6873, and others running Android 11.0, 12.0, or Yocto 3.1, 3.3.
Exploitation Mechanism
Exploiting this vulnerability does not require user interaction, facilitating local privilege escalation with System execution privileges.
Mitigation and Prevention
This section outlines immediate steps to secure systems, long-term security practices, and the importance of patching and updates.
Immediate Steps to Take
System administrators should apply the provided patch (Patch ID: ALPS07032542) to address the vulnerability promptly.
Long-Term Security Practices
Implementing robust security measures, such as regular security audits and access controls, is crucial to prevent similar vulnerabilities.
Patching and Updates
Regularly updating the affected systems with security patches from the vendor (MediaTek, Inc.) is essential to mitigate the risk posed by CVE-2022-26432.