CVE-2019-2173 : Security Advisory and Response

Android operating system vulnerability allowing local elevation of privileges.

Understanding CVE-2019-2173

A security flaw in Android OS versions 7.1.1, 7.1.2, 8.0, 8.1, and 9 that could lead to privilege escalation.

What is CVE-2019-2173?

Vulnerability in ActivityStarter.java's startActivityMayWait function with an inaccurate permission check.
Allows local elevation of privileges without additional execution authorizations.
No user interaction required for exploitation.

The Impact of CVE-2019-2173

Potential local elevation of privileges on affected Android devices.

Technical Details of CVE-2019-2173

A security flaw in the Android operating system versions 7.1.1, 7.1.2, 8.0, 8.1, and 9.

Vulnerability Description

Incorrect permission check in startActivityMayWait function.

Affected Systems and Versions

Android versions 7.1.1, 7.1.2, 8.0, 8.1, and 9.

Exploitation Mechanism

Inaccurate permission check allows for local privilege escalation.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-2173 vulnerability.

Immediate Steps to Take

Apply security patches provided by Android for affected versions.
Monitor official Android security bulletins for updates.

Long-Term Security Practices

Regularly update Android devices to the latest software versions.
Implement security best practices to mitigate privilege escalation risks.

Patching and Updates

Stay informed about security updates from Android and apply them promptly.