CVE-2020-0466 Explained : Impact and Mitigation
Learn about CVE-2020-0466, a vulnerability in Android kernel allowing local privilege escalation without user interaction. Find out mitigation steps and best security practices.
This CVE involves a potential use after free vulnerability in Android's eventpoll.c, leading to a local privilege escalation without requiring user interaction.
Understanding CVE-2020-0466
This CVE impacts Android systems, specifically the Android kernel.
What is CVE-2020-0466?
A logic error in do_epoll_ctl and ep_loop_check_proc of eventpoll.c can be exploited to elevate privileges locally without the need for additional execution privileges.
The Impact of CVE-2020-0466
The vulnerability could result in an elevation of privilege on affected Android devices.
Technical Details of CVE-2020-0466
The technical details of the vulnerability are as follows:
Vulnerability Description
- Type: Elevation of privilege
- Language: English
- Description: Logic error leading to a use after free vulnerability
Affected Systems and Versions
- Product: Android
- Versions: Android kernel
Exploitation Mechanism
- Attack Vector: Local
- Privileges Required: None
Mitigation and Prevention
It is essential to take immediate steps to address and prevent exploitation of CVE-2020-0466:
Immediate Steps to Take
- Apply security patches promptly
- Monitor for any unusual system behavior indicative of exploitation
- Implement least privilege access policies
Long-Term Security Practices
- Regularly update software and firmware
- Conduct security assessments and audits
- Train personnel on security best practices
Patching and Updates
- Regularly check for security advisories from Android
- Install patches from reliable sources promptly