CVE-2017-16028 : Security Advisory and Response

The react-native-meteor-oauth node module by HackerOne has a vulnerability that allows the generation of oauth Random Token using a non-cryptographically strong Random Number Generator.

Understanding CVE-2017-16028

This CVE relates to a weakness in the generation of random tokens in the react-native-meteor-oauth library.

What is CVE-2017-16028?

The CVE-2017-16028 vulnerability involves the use of a non-cryptographically strong Random Number Generator (Math.random()) to create oauth Random Tokens in the react-native-meteor-oauth library.

The Impact of CVE-2017-16028

The vulnerability could potentially lead to the generation of predictable or easily guessable oauth Random Tokens, compromising the security of the Oauth2 login process to a Meteor server in React Native.

Technical Details of CVE-2017-16028

The technical aspects of the vulnerability in the react-native-meteor-oauth node module.

Vulnerability Description

The issue arises from the utilization of Math.random() to generate oauth Random Tokens, which is not cryptographically secure.

Affected Systems and Versions

Product: react-native-meteor-oauth node module
Vendor: HackerOne
Versions: All versions

Exploitation Mechanism

Attackers could potentially exploit this vulnerability to predict or manipulate oauth Random Tokens, compromising the security of the Oauth2 login process.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-16028 vulnerability.

Immediate Steps to Take

Developers should avoid using Math.random() for generating sensitive tokens and implement a cryptographically secure random number generator.
Users of the affected library should update to a patched version that addresses the vulnerability.

Long-Term Security Practices

Implement secure coding practices and utilize strong random number generation methods for sensitive operations.
Regularly monitor for security advisories and updates related to the libraries and dependencies used in the application.

Patching and Updates

HackerOne may release patches or updates to the react-native-meteor-oauth library to address the vulnerability. Users should promptly apply these patches to secure their systems.