CVE-2020-0257 : Vulnerability Insights and Analysis
Learn about CVE-2020-0257, a privilege escalation vulnerability in Android-10 that allows local escalation of privileges without user interaction. Find out about impacts, affected versions, and mitigation steps.
Android privilege escalation vulnerability in SpecializeCommon of com_android_internal_os_Zygote.cpp.
Understanding CVE-2020-0257
This CVE identifies an elevation of privilege vulnerability in Android devices running Android-10.
What is CVE-2020-0257?
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass leading to local escalation of privilege in isolated processes, requiring no additional execution privileges. Exploitation does not require user interaction.
The Impact of CVE-2020-0257
The vulnerability could allow an attacker to escalate privileges locally on affected Android-10 devices.
Technical Details of CVE-2020-0257
Android-10 vulnerability with a permissions bypass that can result in local escalation of privilege.
Vulnerability Description
Incomplete cleanup in SpecializeCommon of com_android_internal_os_Zygote.cpp leads to a permissions bypass, enabling local privilege escalation in isolated processes without additional execution privileges.
Affected Systems and Versions
- Product: Android
- Versions Affected: Android-10
Exploitation Mechanism
The vulnerability can be exploited locally without requiring user interaction.
Mitigation and Prevention
Immediate actions and long-term security practices to address CVE-2020-0257.
Immediate Steps to Take
- Apply relevant security patches promptly.
- Monitor vendor security updates for fixes.
- Implement restricted access controls.
Long-Term Security Practices
- Regular security audits and assessments.
- Train users on security hygiene and safe practices.
Patching and Updates
- Stay informed about security bulletins and updates.
- Install security patches as soon as they are made available.