CVE-2022-38453 : Security Advisory and Response
Learn about CVE-2022-38453 affecting CMS8000 CONTEC ICU CCU Vital Signs Patient Monitor by Contec Health. Discover the impact, technical details, and mitigation steps.
Multiple binary application files on the CMS8000 device are compiled with 'not stripped' and 'debug_info' compilation settings, leading to vulnerabilities that can be exploited by threat actors. Find out more about the impact, technical details, and mitigation methods below.
Understanding CVE-2022-38453
This CVE affects the CMS8000 CONTEC ICU CCU Vital Signs Patient Monitor by Contec Health.
What is CVE-2022-38453?
Multiple binary application files on the CMS8000 device are compiled with 'not stripped' and 'debug_info' compilation settings, making it easier for threat actors to reverse engineer code and identify vulnerabilities.
The Impact of CVE-2022-38453
The vulnerability has a CVSS base score of 3 with low severity impact on confidentiality, integrity, and availability. The attack complexity is high, requiring local access with high privileges.
Technical Details of CVE-2022-38453
Vulnerability Description
The compiler settings used in the CMS8000 device facilitate reverse engineering, allowing threat actors to uncover sensitive code and potentially exploit additional vulnerabilities.
Affected Systems and Versions
The vulnerability impacts all versions of the CMS8000 CONTEC ICU CCU Vital Signs Patient Monitor by Contec Health.
Exploitation Mechanism
Threat actors can exploit this vulnerability by leveraging the 'not stripped' and 'debug_info' compilation settings to reverse engineer code and discover vulnerabilities.
Mitigation and Prevention
Immediate Steps to Take
Contec Health has not responded to requests for mitigation. Users are advised to contact Contec Health for information. Mitigation steps include disabling UART functionality, enforcing unique device authentication, enabling secure boot, and using tamper stickers to detect unauthorized access.
Long-Term Security Practices
Incorporate secure coding practices, conduct regular security assessments, and stay informed about security updates and patches.
Patching and Updates
Stay updated with security advisories from the vendor and apply patches promptly to address known vulnerabilities.