Learn about CVE-2021-0497, a memory corruption flaw in Android's memory management driver enabling local privilege escalation without additional execution privileges.
This CVE-2021-0497 article provides an in-depth understanding of a memory corruption vulnerability in the Android system leading to privilege escalation without additional privileges required.
Understanding CVE-2021-0497
This section will cover the vulnerability description, its impact, technical details, and mitigation steps.
What is CVE-2021-0497?
CVE-2021-0497 is a memory corruption vulnerability in the Android memory management driver that allows local attackers to escalate their privileges without the need for user interaction.
The Impact of CVE-2021-0497
The vulnerability could potentially lead to a local escalation of privilege on affected Android SoC devices, compromising the system's security.
Technical Details of CVE-2021-0497
Let's delve into the technical aspects of the vulnerability to understand its exploitation and affected systems.
Vulnerability Description
The vulnerability arises from a use-after-free condition in the memory management driver, allowing attackers to corrupt memory and elevate their privileges locally.
Affected Systems and Versions
The affected product is Android, specifically the Android SoC version, making devices vulnerable to local privilege escalation.
Exploitation Mechanism
Attackers can exploit this vulnerability to gain elevated privileges on the Android SoC devices without requiring additional execution privileges.
Mitigation and Prevention
It is crucial to take immediate steps to secure the affected systems and implement long-term security practices to mitigate the risks posed by CVE-2021-0497.
Immediate Steps to Take
Users and administrators should apply security patches promptly, update the system, and follow security advisories from the vendor to prevent exploitation.
Long-Term Security Practices
Incorporating secure coding practices, regular security updates, and security training can help mitigate future vulnerabilities and enhance overall system security.
Patching and Updates
Regularly check for security patches from the vendor, apply updates as soon as they are available, and stay informed about security best practices to safeguard against potential threats.