CVE-2021-0302 : Vulnerability Insights and Analysis
Learn about CVE-2021-0302, a tapjacking vulnerability in Android's PackageInstaller affecting versions 8.1, 9, and 10. Understand its impact, technical details, and mitigation steps.
A tapjacking attack in PackageInstaller of Android versions 8.1, 9, and 10 could allow for local escalation of privilege, requiring user interaction for exploitation. This vulnerability is categorized as an elevation of privilege.
Understanding CVE-2021-0302
This section delves into the details of CVE-2021-0302.
What is CVE-2021-0302?
CVE-2021-0302 is a vulnerability in Android's PackageInstaller that could potentially lead to tapjacking attacks and local privilege escalation on devices running Android versions 8.1, 9, and 10.
The Impact of CVE-2021-0302
The impact of this vulnerability is that malicious actors could exploit insecure default values in PackageInstaller to elevate their privileges locally, without requiring additional execution privileges.
Technical Details of CVE-2021-0302
This section provides technical insights into CVE-2021-0302.
Vulnerability Description
The vulnerability arises from an insecure default value in PackageInstaller, enabling tapjacking attacks and local privilege escalation on affected Android devices.
Affected Systems and Versions
Android versions 8.1, 9, and 10 are affected by this vulnerability in PackageInstaller.
Exploitation Mechanism
User interaction is essential for exploiting this vulnerability, where attackers can leverage the insecure default value to escalate their privileges.
Mitigation and Prevention
Here are the recommended steps to mitigate and prevent the CVE-2021-0302 vulnerability.
Immediate Steps to Take
Users are advised to update their Android devices to the latest security patches provided by Google to address this vulnerability promptly.
Long-Term Security Practices
Practicing caution while interacting with unknown sources and regularly updating the device can help prevent the exploitation of such vulnerabilities in the future.
Patching and Updates
Regularly checking for and applying security updates from Android's official sources is crucial to mitigate the risks associated with CVE-2021-0302.