CVE-2021-1024 : Exploit Details and Defense Strategies
Learn about CVE-2021-1024 affecting Android-12. Understand the impact, technical details, affected systems, exploitation, and mitigation measures for this elevation of privilege vulnerability.
Android-12 is affected by a vulnerability with CVE ID CVE-2021-1024 that allows for local escalation of privilege. The vulnerability exists in the EventResultPersister.java file, potentially leading to intent redirection and system execution privileges.
Understanding CVE-2021-1024
This section delves into the details of the CVE-2021-1024 vulnerability, its impact, technical description, affected systems, exploitation mechanism, mitigation, and prevention strategies.
What is CVE-2021-1024?
CVE-2021-1024 is an elevation of privilege vulnerability affecting Android-12. It stems from a confused deputy scenario in the onEventReceived function of EventResultPersister.java.
The Impact of CVE-2021-1024
This vulnerability could be exploited locally without user interaction, granting unauthorized privileged access to the system. Successful exploitation could lead to the escalation of privileges on the affected device.
Technical Details of CVE-2021-1024
Let's dive into the technical aspects of the CVE-2021-1024 vulnerability.
Vulnerability Description
The vulnerability in onEventReceived allows for intent redirection, enabling a local attacker to escalate privileges without requiring user interaction.
Affected Systems and Versions
The affected system by CVE-2021-1024 is Android-12.
Exploitation Mechanism
Exploiting this vulnerability involves leveraging the confused deputy scenario in the EventResultPersister.java file to redirect intents and gain unauthorized access.
Mitigation and Prevention
Understanding the steps to mitigate and prevent CVE-2021-1024 is crucial to safeguard affected systems.
Immediate Steps to Take
Users and administrators are advised to apply patches and security updates promptly to protect against potential exploitation of this vulnerability.
Long-Term Security Practices
Implementing stringent access controls, regular security audits, and security best practices are key to enhancing the overall security posture.
Patching and Updates
Regularly monitor and apply security patches released by the vendor to address vulnerabilities like CVE-2021-1024.