CVE-2021-0629 : Exploit Details and Defense Strategies
Learn about CVE-2021-0629, a memory corruption flaw in MediaTek's Android systems that allows local privilege escalation. Find impact details and mitigation steps.
A memory corruption vulnerability, CVE-2021-0629, exists in the mdlactl driver. This flaw could allow an attacker to execute local escalation of privilege without requiring user interaction.
Understanding CVE-2021-0629
This CVE impacts various MediaTek products running Android 10.0 and 11.0.
What is CVE-2021-0629?
The vulnerability in the mdlactl driver may result in a use after free scenario, leading to local privilege escalation with System execution privileges, all achievable without user interaction.
The Impact of CVE-2021-0629
The exploitation of this vulnerability could potentially result in local escalation of privileges on affected systems.
Technical Details of CVE-2021-0629
This section provides specific technical details regarding the vulnerability.
Vulnerability Description
A memory corruption issue in the mdlactl driver triggers a use after free scenario.
Affected Systems and Versions
The vulnerability impacts a range of MediaTek products including MT6873, MT6875, MT6883, MT6885, MT6889, MT6891, MT6893, MT8195, MT8791, MT8797, MT9636, MT9638, MT9639, MT9650, MT9652, MT9669, MT9686, MT9970, MT9980, MT9981 running Android 10.0 and 11.0.
Exploitation Mechanism
The flaw does not require any user interaction, making it easier for attackers to exploit the vulnerability.
Mitigation and Prevention
Protecting systems from CVE-2021-0629 requires immediate action and long-term security practices.
Immediate Steps to Take
Apply patches and updates provided by MediaTek to mitigate the vulnerability.
Long-Term Security Practices
Regularly update systems and implement security best practices to prevent similar vulnerabilities.
Patching and Updates
For further information and remedies, refer to the MediaTek Product Security Bulletin for November 2021.