CVE-2020-0153 : Security Advisory and Response

Android devices running Android-10 are affected by a vulnerability that allows for local privilege escalation without user interaction.

Understanding CVE-2020-0153

What is CVE-2020-0153?

In phNxpNciHal_write_ext of phNxpNciHal_ext.cc, a missing bounds check can lead to an out-of-bounds write, enabling local privilege escalation.

The Impact of CVE-2020-0153

This vulnerability requires malicious actors to have local access but can result in a significant security threat, potentially allowing for unauthorized system execution privileges.

Technical Details of CVE-2020-0153

Vulnerability Description

The vulnerability stems from a missing bounds check in phNxpNciHal_write_ext, which could be exploited to achieve privilege escalation.

Affected Systems and Versions

Product: Android
Version: Android-10

Exploitation Mechanism

The flaw can be exploited to perform a local privilege escalation attack without the need for user interaction.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches promptly to fix the vulnerability in affected systems.
Monitor for any suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly update the device's operating system to mitigate known vulnerabilities.
Implement security best practices to reduce the risk of privilege escalation attacks.

Patching and Updates

Stay informed about security bulletins and apply patches released by the device manufacturer to address vulnerabilities effectively.