CVE-2019-18248 : Security Advisory and Response

BIOTRONIK CardioMessenger II is vulnerable to transmitting credentials without encryption, potentially exposing client credentials to attackers.

Understanding CVE-2019-18248

The vulnerability in BIOTRONIK CardioMessenger II allows attackers to intercept client credentials due to clear-text transmission before encryption.

What is CVE-2019-18248?

The BIOTRONIK CardioMessenger II product transmits credentials without encryption, making it susceptible to credential interception by malicious actors.

The Impact of CVE-2019-18248

This vulnerability enables attackers to uncover client credentials used to connect to the BIOTRONIK Remote Communication infrastructure, posing a significant security risk.

Technical Details of CVE-2019-18248

The technical aspects of the CVE-2019-18248 vulnerability are as follows:

Vulnerability Description

BIOTRONIK CardioMessenger II transmits credentials in clear-text before establishing an encrypted communication channel.

Affected Systems and Versions

Affected products include BIOTRONIK CardioMessenger II-S T-Line T4APP 2.20 and CardioMessenger II-S GSM T4APP 2.20.

Exploitation Mechanism

Attackers can exploit the vulnerability by intercepting the clear-text credentials during transmission, compromising the security of the communication channel.

Mitigation and Prevention

To address CVE-2019-18248, consider the following steps:

Immediate Steps to Take

Implement encryption protocols to secure credential transmission.
Monitor network traffic for any unauthorized access attempts.
Update the BIOTRONIK CardioMessenger II firmware to the latest version.

Long-Term Security Practices

Conduct regular security audits and assessments to identify vulnerabilities.
Train personnel on secure communication practices and data protection.

Patching and Updates

Apply security patches provided by BIOTRONIK to fix the vulnerability and enhance system security.