CVE-2021-0441 Explained : Impact and Mitigation
Learn about CVE-2021-0441, a critical vulnerability in Android-11 that enables local attackers to bypass permissions through a confusing UI, leading to privilege escalation.
Android-11 has a vulnerability (CVE-2021-0441) that allows a local attacker to bypass permissions through a confusing UI, potentially leading to privilege escalation without extra execution privileges needed.
Understanding CVE-2021-0441
This section provides insights into the nature and impact of CVE-2021-0441.
What is CVE-2021-0441?
The vulnerability in onCreate of PermissionActivity.java in Android-11 allows local attackers to escalate privileges by bypassing permissions through a confusing UI.
The Impact of CVE-2021-0441
If exploited, this vulnerability could result in local escalation of privilege without requiring additional execution privileges, posing a security risk to Android-11 users.
Technical Details of CVE-2021-0441
Delve into the technical aspects of CVE-2021-0441 to understand how the vulnerability operates.
Vulnerability Description
The vulnerability arises due to a possible permission bypass in onCreate of PermissionActivity.java, where user interaction is necessary for exploitation, making it a critical security concern.
Affected Systems and Versions
Affected product: Android Affected version: Android-11
Exploitation Mechanism
The bypass of permissions through a confusing UI in PermissionActivity.java enables local attackers to escalate privileges without requiring additional execution privileges.
Mitigation and Prevention
Discover the steps to mitigate the risk posed by CVE-2021-0441 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to exercise caution while interacting with permission requests, especially in Android-11, to prevent potential privilege escalation.
Long-Term Security Practices
To enhance overall security, users should stay vigilant regarding permission requests, keeping aware of potential vulnerabilities like CVE-2021-0441.
Patching and Updates
Regularly update Android-11 to the latest security patches provided by Google to safeguard against known vulnerabilities, including CVE-2021-0441.