Medtronic MyCareLink Monitor Conexus Telemetry Protocol cryptographic issue

Summaryinfo

A vulnerability, which was classified as critical, was found in Medtronic MyCareLink Monitor, CareLink Monitor, CareLink 2090 Programmer, Amplia CRT-D, Claria CRT-D, Compia CRT-D, Concerto CRT-D, Consulta CRT-D, Evera ICD, Maximo II CRT-D, Maximo II ICD, Mirro ICD, Nayamed ND ICD, Primo ICD, Protecta ICD, Protecta CRT-D and Secura ICD. Impacted is an unknown function of the component Conexus Telemetry Protocol Handler. The manipulation results in cryptographic issue. This vulnerability is identified as CVE-2019-6540. The attack can only be performed from the local network. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Medtronic MyCareLink Monitor, CareLink Monitor, CareLink 2090 Programmer, Amplia CRT-D, Claria CRT-D, Compia CRT-D, Concerto CRT-D, Consulta CRT-D, Evera ICD, Maximo II CRT-D, Maximo II ICD, Mirro ICD, Nayamed ND ICD, Primo ICD, Protecta ICD, Protecta CRT-D and Secura ICD. Affected is some unknown functionality of the component Conexus Telemetry Protocol Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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 encryption. An attacker with adjacent short-range access to a target product can listen to communications, including the transmission of sensitive data.

The bug was discovered 03/21/2019. The weakness was released 03/26/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2019-6540 since 01/22/2019. The exploitability is told to be difficult. The attack can only be initiated within the local network. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2019-16099). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Medtronic

Name

• Amplia CRT-D
• CareLink 2090 Programmer
• CareLink Monitor
• Claria CRT-D
• Compia CRT-D
• Concerto CRT-D
• Consulta CRT-D
• Evera ICD
• Maximo II CRT-D
• Maximo II ICD
• Mirro ICD
• MyCareLink Monitor
• Nayamed ND ICD
• Primo ICD
• Protecta CRT-D
• Protecta ICD
• Secura ICD

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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