CVE-2018-12445 : What You Need to Know

A vulnerability was found in the Android application version 98.2.2 of com.dropbox.android, allowing an authentication bypass through the Biometric validation feature.

Understanding CVE-2018-12445

This CVE involves a flaw in the FingerprintManager class that enables unauthorized authentication using any fingerprint.

What is CVE-2018-12445?

The vulnerability in com.dropbox.android version 98.2.2 allows an attacker to bypass authentication by exploiting the callback method from onAuthenticationFailed to onAuthenticationSucceeded.

The Impact of CVE-2018-12445

The flaw in the Biometric validation feature poses a security risk as it allows unauthorized individuals to authenticate using any fingerprint, compromising the security of the application.

Technical Details of CVE-2018-12445

The technical aspects of this CVE include:

Vulnerability Description

The flaw lies in the FingerprintManager class, enabling an authentication bypass.
The issue arises due to the absence of implementation of the fingerprint API in conjunction with the Android keyGenerator class.

Affected Systems and Versions

Android application version 98.2.2 of com.dropbox.android is affected.

Exploitation Mechanism

By passing a null value through the callback method, unauthorized authentication can be achieved.

Mitigation and Prevention

To address CVE-2018-12445, consider the following:

Immediate Steps to Take

Update the affected application to the latest version.
Implement additional authentication measures to enhance security.

Long-Term Security Practices

Regularly review and update security protocols.
Conduct security assessments to identify and mitigate vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by the application vendor.