CVE-2022-21765 : What You Need to Know
Discover the impact of CVE-2022-21765, a MediaTek CCCI vulnerability allowing local attackers to escalate privileges on Android devices running specific versions. Learn how to mitigate this security risk.
A vulnerability has been identified in CCCI by MediaTek, Inc. that could allow local attackers to potentially escalate privileges without requiring user interaction.
Understanding CVE-2022-21765
This vulnerability in MediaTek's CCCI could lead to an elevation of privilege attack, posing a security risk to Android devices running specific versions.
What is CVE-2022-21765?
The CVE-2022-21765 vulnerability exists in CCCI, allowing an attacker to execute arbitrary code on affected devices, resulting in a local privilege escalation.
The Impact of CVE-2022-21765
If exploited, this vulnerability could allow malicious actors to gain elevated system privileges on Android devices, compromising user data and device functionality.
Technical Details of CVE-2022-21765
This section outlines the specifics of the vulnerability in terms of its description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability in CCCI involves an out-of-bounds write issue due to a missing bounds check, enabling attackers to potentially gain system execution privileges.
Affected Systems and Versions
The vulnerability impacts a range of MediaTek processor models including MT6580, MT6735, MT6753, and several others running Android versions 10.0, 11.0, and 12.0.
Exploitation Mechanism
Exploiting this vulnerability does not require user interaction, making it easier for threat actors to leverage the security flaw for malicious purposes.
Mitigation and Prevention
This section provides guidance on immediate steps to mitigate the vulnerability as well as long-term security practices to enhance device protection.
Immediate Steps to Take
Users and organizations are advised to apply the provided patch with Patch ID: ALPS06641673 to address the CVE-2022-21765 vulnerability promptly.
Long-Term Security Practices
To bolster security, it is recommended to regularly update devices, implement secure coding practices, and conduct security assessments to prevent similar vulnerabilities.
Patching and Updates
Stay informed about security advisories from MediaTek and apply patches and updates promptly to ensure the ongoing protection of Android devices.