CVE-2020-0357 : Vulnerability Insights and Analysis
CVE-2020-0357 concerns a SurfaceFlinger use-after-free flaw in Android-11, enabling potential local privilege escalation without additional execution privileges, posing a severe security risk.
SurfaceFlinger in Android-11 has a use-after-free vulnerability, potentially leading to local privilege escalation without additional execution privileges. This CVE requires no user interaction for exploitation.
Understanding CVE-2020-0357
SurfaceFlinger vulnerability in Android-11 with possible use-after-free leading to local privilege escalation.
What is CVE-2020-0357?
CVE-2020-0357 relates to a use-after-free flaw in SurfaceFlinger on Android-11, potentially enabling local privilege escalation without extra privileges required and no user interaction for abuse.
The Impact of CVE-2020-0357
The vulnerability could allow an attacker to elevate privileges locally on the graphics server, opening the door for potential unauthorized system access.
Technical Details of CVE-2020-0357
SurfaceFlinger vulnerability in Android-11 explained.
Vulnerability Description
- Use-after-free vulnerability in SurfaceFlinger
- Grants potential local privilege escalation
Affected Systems and Versions
- Product: Android
- Versions: Android-11
Exploitation Mechanism
The issue arises from improper locking in SurfaceFlinger, allowing attackers to manipulate memory and escalate privileges.
Mitigation and Prevention
Steps to address and prevent the CVE-2020-0357 vulnerability.
Immediate Steps to Take
- Apply patches from the official Android Security Bulletin
- Regularly check for security updates from the vendor
Long-Term Security Practices
- Implement least privilege principles
- Conduct regular security audits and testing
- Educate users on security best practices
Patching and Updates
- Keep the system up to date with the latest security patches and updates