CVE-2020-0110 : What You Need to Know
Learn about CVE-2020-0110, an Android kernel vulnerability allowing out-of-bounds writes leading to local privilege escalation. Find mitigation steps and best security practices.
Android Kernel Out of Bounds Write Elevation of Privilege Vulnerability
Understanding CVE-2020-0110
What is CVE-2020-0110?
In the psi_write function of psi.c in the Android kernel, a vulnerability exists that could potentially lead to an out-of-bounds write. This flaw may allow a local attacker to escalate privileges on the affected system without requiring additional privileges or user interaction.
The Impact of CVE-2020-0110
The exploitation of this vulnerability could result in an attacker gaining elevated privileges on the targeted system, posing a significant risk to the confidentiality, integrity, and availability of the system and its data.
Technical Details of CVE-2020-0110
Vulnerability Description
The vulnerability in psi_write function of psi.c in the Android kernel allows for an out of bounds write due to a missing bounds check, leading to a local escalation of privilege threat.
Affected Systems and Versions
- Product: Android
- Versions: Android kernel
Exploitation Mechanism
The vulnerability can be exploited by a local attacker to perform an out of bounds write attack, potentially leading to privilege escalation.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by the vendor as soon as they are available to mitigate the vulnerability.
- Monitor vendor security advisories for updates and follow recommended security best practices.
Long-Term Security Practices
- Implement the principle of least privilege to restrict unnecessary access rights for users and processes.
- Regularly review and update security configurations and settings to enhance system security.
Patching and Updates
Ensure timely installation of security patches and updates from the vendor to address the vulnerability effectively.