CVE-2022-20106 Explained : Impact and Mitigation
Learn about CVE-2022-20106 impacting MediaTek devices with Android and Linux Kernel versions, allowing local privilege escalation without user interaction. Find mitigation steps here.
A detailed overview of CVE-2022-20106, its impact, technical details, and mitigation strategies.
Understanding CVE-2022-20106
CVE-2022-20106 is a vulnerability identified in the MM service of certain MediaTek devices, potentially leading to local privilege escalation without requiring user interaction.
What is CVE-2022-20106?
The vulnerability involves a possible out-of-bounds write triggered by a heap-based buffer overflow in the MM service, posing a risk of local privilege escalation with system execution rights being necessary for exploitation.
The Impact of CVE-2022-20106
CVE-2022-20106 could allow malicious actors to elevate their privileges on affected MediaTek devices, potentially compromising system security and integrity. Successful exploitation does not require any direct user interaction.
Technical Details of CVE-2022-20106
Vulnerability Description
The vulnerability arises from a heap-based buffer overflow in the MM service, enabling an attacker to perform an out-of-bounds write operation, leading to a local escalation of privilege.
Affected Systems and Versions
Products affected include MT9011, MT9215, MT9216, MT9220, and more. Versions impacted are Android 9.0, 10.0, 11.0, along with Linux Kernel 4.9 and 4.19.
Exploitation Mechanism
Exploiting CVE-2022-20106 does not require user interaction, making it easier for threat actors to leverage the vulnerability for privilege escalation.
Mitigation and Prevention
Immediate Steps to Take
Users and administrators are advised to apply the provided patch ID: DTV03330460 promptly to address the vulnerability and prevent potential exploitation. Immediate remediation is crucial to mitigate the risk of privilege escalation.
Long-Term Security Practices
Incorporate regular security updates and patches for MediaTek devices to ensure protection against known vulnerabilities and maintain the integrity of the system.
Patching and Updates
Stay informed about security bulletins and updates from MediaTek to promptly apply patches and security enhancements, reducing the risk of exploitation.