CVE-2019-6538 : Security Advisory and Response
Learn about CVE-2019-6538 affecting Medtronic devices. Attackers can manipulate telemetry communication, potentially impacting implanted cardiac devices. Find mitigation steps here.
CVE-2019-6538 was published on March 25, 2019, by Medtronic. The vulnerability affects various Medtronic devices utilizing the Conexus Radio Frequency Telemetry Protocol. Attackers with nearby access can manipulate data in telemetry communication, potentially impacting implanted cardiac devices.
Understanding CVE-2019-6538
This CVE highlights a lack of authentication and authorization in the Conexus telemetry protocol used in multiple Medtronic devices.
What is CVE-2019-6538?
The vulnerability allows attackers to inject, replay, modify, or intercept data in telemetry communication, enabling manipulation of memory values in implanted cardiac devices.
The Impact of CVE-2019-6538
The vulnerability poses a significant risk as attackers can exploit the communication protocol to alter memory within implanted cardiac devices, potentially leading to severe consequences.
Technical Details of CVE-2019-6538
The following technical details provide insight into the vulnerability.
Vulnerability Description
The Conexus telemetry protocol lacks proper authentication and authorization, allowing unauthorized manipulation of data in telemetry communication.
Affected Systems and Versions
The following Medtronic devices are affected:
- MyCareLink Monitor versions 24950 and 24952
- CareLink Monitor version 2490C
- CareLink 2090 Programmer
- Various CRT-D and ICD models
Exploitation Mechanism
Attackers with short-range access to affected devices can exploit the vulnerability when the product's radio is turned on, enabling data manipulation in telemetry communication.
Mitigation and Prevention
Protecting systems from CVE-2019-6538 is crucial to prevent potential exploitation.
Immediate Steps to Take
- Disable radio functionality when not in use
- Implement strong access controls
- Regularly monitor for unauthorized access
Long-Term Security Practices
- Conduct security assessments regularly
- Keep devices updated with the latest security patches
Patching and Updates
- Apply patches provided by Medtronic to address the vulnerability