CVE-2019-6538

Summary

The Conexus telemetry protocol utilized within Medtronic MyCareLink Monitor versions 24950 and 24952, CareLink Monitor version 2490C, CareLink 2090 Programmer, Amplia CRT-D, Claria CRT-D, Compia CRT-D, Concerto CRT-D, Concerto II CRT-D, Consulta CRT-D, Evera ICD, Maximo II CRT-D and ICD, Mirro ICD, Nayamed ND ICD, Primo ICD, Protecta ICD and CRT-D, Secura ICD, Virtuoso ICD, Virtuoso II ICD, Visia AF ICD, and Viva CRT-D does not implement authentication or authorization. An attacker with adjacent short-range access to an affected product, in situations where the product’s radio is turned on, can inject, replay, modify, and/or intercept data within the telemetry communication. This communication protocol provides the ability to read and write memory values to affected implanted cardiac devices; therefore, an attacker could exploit this communication protocol to change memory in the implanted cardiac device.

Affected Software

Weaknesses

• CWE-284: CWE-284

Workarounds

Medtronic has applied additional controls for monitoring and responding to improper use of the Conexus telemetry protocol by the affected implanted cardiac devices. Additional mitigations are being developed and will be deployed through future updates, assuming regulatory approval.

Medtronic recommends that users take additional defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:

• Maintain good physical control over home monitors and programmers.
• Use only home monitors, programmers, and implantable devices obtained directly from your healthcare provider or a Medtronic representative to ensure integrity of the system.
• Do not connect unapproved devices to home monitors and programmers through USB ports or other physical connections.
• Only use programmers to connect and interact with implanted devices in physically controlled hospital and clinical environments.
• Only use home monitors in private environments such as a home, apartment, or otherwise physically controlled environment.
• Report any concerning behavior regarding these products to your healthcare provider or a Medtronic representative.

Medtronic has released additional patient focused information https://www.medtronic.com/security .

ADP Enrichment

CVE Program Container

Additional References

• http://www.securityfocus.com/bid/107544
• https://ics-cert.us-cert.gov/advisories/ICSMA-19-080-01

References

• https://ics-cert.us-cert.gov/advisories/ICSMA-19-080-01
• http://www.securityfocus.com/bid/107544

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