CVE-2020-12270 : What You Need to Know

React Native Bluetooth Scan in Bluezone 1.0.0 uses six-character alphanumeric IDs, potentially enabling remote attackers to disrupt COVID-19 contact tracing. The vendor disputes the severity, citing recipient alert mechanisms.

Understanding CVE-2020-12270

This CVE involves a vulnerability in React Native Bluetooth Scan in Bluezone 1.0.0, which could be exploited by attackers to interfere with COVID-19 contact tracing.

What is CVE-2020-12270?

The vulnerability arises from the use of six-character alphanumeric IDs in the Bluetooth scanning process, potentially allowing malicious actors to disrupt contact tracing efforts related to COVID-19.

The Impact of CVE-2020-12270

The vulnerability could lead to false alerts in COVID-19 contact tracing systems, potentially causing confusion and undermining the effectiveness of the tracing process.

Technical Details of CVE-2020-12270

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue lies in the use of easily guessable six-character alphanumeric IDs, which can be abused by attackers to inject false data into the contact tracing system.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Version: Bluezone 1.0.0

Exploitation Mechanism

Attackers can exploit this vulnerability by generating multiple IDs, potentially overwhelming the contact tracing system and leading to inaccurate tracing results.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Monitor and verify contact tracing alerts for accuracy and consistency.
Implement additional validation mechanisms to ensure the integrity of contact tracing data.
Regularly update and review the contact tracing system for any anomalies.

Long-Term Security Practices

Enhance the randomness and complexity of generated IDs to reduce predictability.
Conduct regular security assessments and audits of the contact tracing system.

Patching and Updates

Apply patches or updates provided by the vendor to address the vulnerability and improve the security of the contact tracing system.