CVE-2022-20108 : Security Advisory and Response

This CVE-2022-20108 affects various MediaTek products due to a stack-based buffer overflow in the voice service, potentially leading to local privilege escalation without user interaction.

Understanding CVE-2022-20108

This vulnerability impacts MediaTek products running Android 9.0, 10.0, 11.0, or Linux Kernel 4.9, 4.19.

What is CVE-2022-20108?

The vulnerability involves an out-of-bounds write in the voice service, which could allow attackers to escalate privileges locally without requiring user interaction.

The Impact of CVE-2022-20108

Exploiting this vulnerability could result in an elevation of privilege, with the attacker gaining system execution privileges on affected devices.

Technical Details of CVE-2022-20108

Vulnerability Description

The issue arises from a stack-based buffer overflow in the voice service of MediaTek products.

Affected Systems and Versions

Products including MT9011, MT9215, MT9288 among others are impacted, running Android 9.0, 10.0, 11.0, or Linux Kernel 4.9, 4.19.

Exploitation Mechanism

The vulnerability can be exploited without user interaction, enabling threat actors to locally escalate privileges on vulnerable devices.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to apply security patches promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing stringent device security measures and keeping systems updated can help prevent such vulnerabilities.

Patching and Updates

MediaTek has released Patch ID: DTV03330702 to address this vulnerability. Stay informed with the latest security bulletins.