CVE-2021-0632 : Vulnerability Insights and Analysis
Learn about CVE-2021-0632 affecting various MediaTek processors and Android versions. Discover the impact, affected systems, and how to mitigate the risk.
A vulnerability has been identified in the wifi driver of several MediaTek processors which could potentially lead to remote information disclosure to an attacker without the need for user interaction.
Understanding CVE-2021-0632
This CVE affects a wide range of MediaTek processors and versions of the Android operating system, posing a risk of information disclosure.
What is CVE-2021-0632?
The vulnerability in the wifi driver is related to a missing bounds check, allowing for an out of bounds read. This could be exploited by a proximal attacker to obtain sensitive information remotely.
The Impact of CVE-2021-0632
Under specific build conditions, an attacker could exploit this vulnerability to disclose information without requiring additional execution privileges or user interaction. This could lead to a breach of sensitive data.
Technical Details of CVE-2021-0632
This section provides more insights into the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from a missing bounds check in the wifi driver, leading to an out of bounds read that can be exploited by an attacker for remote information disclosure.
Affected Systems and Versions
The vulnerability affects a wide range of MediaTek processors including MT6739, MT6761, MT6762, and various versions of Android from 8.1 to 11.0.
Exploitation Mechanism
The vulnerability in the wifi driver can be exploited by a proximal attacker under certain build conditions, posing a risk of remote information disclosure without the need for user interaction.
Mitigation and Prevention
To secure systems against CVE-2021-0632, certain immediate steps and long-term security practices are essential.
Immediate Steps to Take
Users and administrators are advised to apply patches from the vendor to mitigate the vulnerability. Patch ID: ALPS05560246; Issue ID: ALPS05551383.
Long-Term Security Practices
Regularly updating systems and implementing security best practices can help in preventing exploitation of vulnerabilities.
Patching and Updates
Stay informed about security bulletins and patches released by MediaTek and Android to ensure systems are protected from potential threats.