CVE-2019-5767 : Vulnerability Insights and Analysis

CVE-2019-5767 was published on February 19, 2019, and affects Google Chrome on Android versions prior to 72.0.3626.81. The vulnerability allowed malicious applications to exploit the permission user interface (UI) in WebAPKs, potentially compromising sensitive privacy and security data.

Understanding CVE-2019-5767

This CVE entry pertains to a security vulnerability in Google Chrome on Android that could be exploited by convincing users to install a specially crafted APK file.

What is CVE-2019-5767?

Prior to version 72.0.3626.81 of Google Chrome on Android, the permission user interface (UI) in WebAPKs did not provide sufficient protection. This flaw enabled attackers to manipulate the UI and access web APIs handling sensitive data.

The Impact of CVE-2019-5767

The vulnerability allowed malicious applications to exploit the UI, potentially gaining unauthorized access to sensitive privacy and security data. Successful exploitation required user interaction to install a specially designed APK file.

Technical Details of CVE-2019-5767

Google Chrome on Android versions prior to 72.0.3626.81 is susceptible to the following:

Vulnerability Description

Insufficient protection of permission UI in WebAPKs allowed attackers to access sensitive web APIs via a crafted APK.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 72.0.3626.81

Exploitation Mechanism

To exploit this vulnerability, an attacker needed to convince the user to install a specially designed APK file.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent CVE-2019-5767:

Immediate Steps to Take

Update Google Chrome on Android to version 72.0.3626.81 or later.
Avoid installing applications from untrusted sources.
Exercise caution when granting permissions to apps.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Educate users about the risks of installing unknown or unverified applications.

Patching and Updates

Google released a patch in version 72.0.3626.81 to address this vulnerability.