Learn about CVE-2021-0699, a critical Android kernel vulnerability enabling local privilege escalation without additional user permissions. Take immediate steps to secure affected systems.
This article provides detailed information about CVE-2021-0699, a vulnerability in Android that could potentially lead to a local escalation of privilege in the kernel.
Understanding CVE-2021-0699
This section delves into the specifics of CVE-2021-0699 and its implications.
What is CVE-2021-0699?
CVE-2021-0699, found in HTBLogKM of TBD, involves a possible out-of-bounds write due to a missing bounds check. This vulnerability could enable a local escalation of privilege in the kernel without requiring additional execution privileges. No user interaction is necessary for exploitation. The affected product is Android, particularly affecting devices with the Android SoC.
The Impact of CVE-2021-0699
The impact of this vulnerability is significant as it allows attackers to potentially elevate their privilege levels locally within the Android kernel.
Technical Details of CVE-2021-0699
This section provides a closer look at the technical aspects of CVE-2021-0699.
Vulnerability Description
CVE-2021-0699 is an out-of-bounds write vulnerability in the Android kernel that lacks a crucial bounds check, enabling attackers to escalate their privileges locally.
Affected Systems and Versions
The vulnerability affects Android devices utilizing the Android SoC version.
Exploitation Mechanism
The exploitation of CVE-2021-0699 can occur without the need for any user interaction, allowing threat actors to locally escalate their privilege levels.
Mitigation and Prevention
To address CVE-2021-0699, immediate action and long-term security practices are essential.
Immediate Steps to Take
Users and administrators should apply patches and security updates provided by Android to mitigate the risk posed by CVE-2021-0699. Ensure all devices are up to date with the latest security measures.
Long-Term Security Practices
Employing robust security protocols, regular monitoring, and staying informed about potential vulnerabilities in Android systems are crucial for long-term security.
Patching and Updates
Regularly install patches and updates released by Android to protect devices from known vulnerabilities, including CVE-2021-0699.