CVE-2020-0277 : Vulnerability Insights and Analysis
Learn about CVE-2020-0277, a critical Android-11 vulnerability allowing local escalation of privilege without user interaction. Find mitigation steps and patching recommendations.
Android vulnerability allowing local escalation of privilege.
Understanding CVE-2020-0277
What is CVE-2020-0277?
Multiple security vulnerabilities exist in Android-11 that could allow a malicious app to escalate privileges without user interaction.
The Impact of CVE-2020-0277
The vulnerability could enable an attacker to modify the device's data plan, leading to local escalation of privilege.
Technical Details of CVE-2020-0277
Vulnerability Description
In NetworkPolicyManagerService, a missing permission check results in a permissions bypass, potentially allowing an attacker to escalate privileges.
Affected Systems and Versions
- Product: Android
- Versions: Android-11
Exploitation Mechanism
The vulnerability bypasses permissions in NetworkPolicyManagerService, granting unauthorized access to modify the device's data plan.
Mitigation and Prevention
Immediate Steps to Take
- Update Android devices to the latest patched version.
- Avoid installing apps from untrusted sources.
Long-Term Security Practices
- Regularly update system and security patches.
- Monitor official security bulletins and apply recommended fixes promptly.
Patching and Updates
Apply security patches provided by Android to address the vulnerability.