CVE-2023-0888 : Security Advisory and Response

This CVE-2023-0888 vulnerability pertains to an improper neutralization of directives in dynamically evaluated code in the WiFi Battery embedded web server of B.Braun's Space Battery Pack SP with Wi-Fi. The vulnerability affects versions L90/U70 and L92/U92, potentially allowing an authenticated user to gain administrative access to the WiFi communication module, leading to further attacks.

Understanding CVE-2023-0888

This section delves into the details surrounding CVE-2023-0888.

What is CVE-2023-0888?

The CVE-2023-0888 vulnerability involves an improper neutralization of directives in dynamically evaluated code in the WiFi Battery embedded web server, present in specific versions of B.Braun's Space Battery Pack SP with Wi-Fi. By exploiting this vulnerability, an authenticated user could achieve administrative access to the infusion pump communication module, paving the way for potential malicious activities.

The Impact of CVE-2023-0888

The impact of CVE-2023-0888 is categorized under CAPEC-233 (Privilege Escalation), posing a medium severity risk. This vulnerability could lead to unauthorized access and manipulation of critical medical device components, potentially compromising patient safety and data integrity.

Technical Details of CVE-2023-0888

This section provides further technical insights into CVE-2023-0888.

Vulnerability Description

The vulnerability arises from an improper neutralization of directives in dynamically evaluated code within the WiFi Battery embedded web server, enabling unauthorized access to the WiFi communication module.

Affected Systems and Versions

Versions L90/U70 and L92/U92 of the B.Braun Space Battery Pack SP with Wi-Fi are affected by this vulnerability.

Exploitation Mechanism

An authenticated user with access to both the medical device WiFi network and specific web server credentials can exploit this vulnerability to gain administrative access to the infusion pump communication module.

Mitigation and Prevention

Understanding how to mitigate the risks associated with CVE-2023-0888 is crucial for ensuring the security of medical devices and patient data.

Immediate Steps to Take

Implement secure credentials and ensure they are kept confidential to prevent unauthorized access. Additionally, secure the network to prevent external threats from compromising medical devices.

Long-Term Security Practices

Regularly update and patch the affected systems to mitigate vulnerabilities and enhance overall security posture. Conduct regular security assessments and audits to identify and address potential risks proactively.

Patching and Updates

Updating to version L93/U93 or newer is recommended as a solution to address the CVE-2023-0888 vulnerability. Staying up to date with patches and security updates is essential for safeguarding against known vulnerabilities and cyber threats.