CVE-2021-0799 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-0799, a local privilege escalation vulnerability in Android-12's ActivityThread.java. Learn about affected systems, exploitation details, and mitigation steps.
Android has identified a vulnerability in ActivityThread.java that could allow local escalation of privilege without requiring additional execution privileges. The issue affects Android-12.
Understanding CVE-2021-0799
This CVE involves a potential way to collide the content provider's authorities in ActivityThread.java, leading to an elevation of privilege without the need for user interaction.
What is CVE-2021-0799?
CVE-2021-0799 is a vulnerability in Android's ActivityThread.java that could be exploited to escalate privileges locally on affected versions, specifically Android-12. The exploit does not require any additional execution privileges.
The Impact of CVE-2021-0799
The impact of this vulnerability is the local escalation of privilege on the affected Android-12 systems. An attacker could exploit this issue without requiring any user interaction.
Technical Details of CVE-2021-0799
This section covers the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability lies in ActivityThread.java, where the content provider's authorities can collide, enabling an attacker to escalate privileges locally without needing extra execution privileges.
Affected Systems and Versions
Only Android-12 is impacted by CVE-2021-0799, leaving systems running this version vulnerable to the privilege escalation threat.
Exploitation Mechanism
The exploitation of this vulnerability can lead to local privilege escalation on Android-12 systems without the necessity of additional execution privileges.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-0799, follow these immediate steps and adopt long-term security practices for enhanced protection.
Immediate Steps to Take
Users should apply necessary security updates provided by Android to address CVE-2021-0799 and prevent potential privilege escalations.
Long-Term Security Practices
Implementing security best practices such as regular software updates, security patches, and strong access controls can help enhance overall system security.
Patching and Updates
Regularly check for and apply the latest Android security patches and updates to ensure that your system is protected against known vulnerabilities.