CVE-2017-12718 : Security Advisory and Response

A problem with Buffer Overflow was identified in the Smiths Medical Medfusion 4000 Wireless Syringe Infusion Pump, specifically in Versions 1.1, 1.5, and 1.6. This issue allows an attacker to execute remote code on the targeted device.

Understanding CVE-2017-12718

A Classic Buffer Overflow issue was discovered in the Smiths Medical Medfusion 4000 Wireless Syringe Infusion Pump, Version 1.1, 1.5, and 1.6. The vulnerability arises from a third-party component used in the pump that fails to verify input buffer size before copying, leading to a buffer overflow.

What is CVE-2017-12718?

The CVE-2017-12718 vulnerability is a Buffer Overflow issue in the Smiths Medical Medfusion 4000 Wireless Syringe Infusion Pump, allowing remote code execution under specific conditions.

The Impact of CVE-2017-12718

Attackers can exploit the vulnerability to execute remote code on the targeted device.
The pump sporadically receives potentially harmful input, making exploitation more challenging.

Technical Details of CVE-2017-12718

A detailed look at the technical aspects of the vulnerability.

Vulnerability Description

The issue stems from a third-party component that does not verify input buffer size before copying, leading to a buffer overflow.

Affected Systems and Versions

Smiths Medical Medfusion 4000 Wireless Syringe Infusion Pump Versions 1.1, 1.5, and 1.6.

Exploitation Mechanism

Attackers can send malicious input to the pump, triggering a buffer overflow and enabling remote code execution.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-12718 vulnerability.

Immediate Steps to Take

Implement network segmentation to limit access to vulnerable devices.
Monitor and filter network traffic to detect and block malicious inputs.
Apply vendor-supplied patches or updates to fix the buffer overflow issue.

Long-Term Security Practices

Regularly update and patch all medical devices to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate potential risks.

Patching and Updates

Apply the latest patches and updates provided by Smiths Medical to address the buffer overflow vulnerability.