Missing Protection Mechanism for Alternate Hardware Interface in BD BodyGuard Pumps

1) Missing Protection Mechanism for Alternate Hardware Interface

EUVDB-ID: #VU69825

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-43557

CWE-ID: CWE-1299 - Missing Protection Mechanism for Alternate Hardware Interface

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to the affected pumps allow for access through the RS-232 (serial) port interface. An attacker with physical access can disable the pump.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BD BodyGuard: All versions

CME BodyGuard 323 (2nd Edition): All versions

CME BodyGuard 323 Color Vision (2nd Edition): All versions

CME BodyGuard 323 Color Vision (3rd Edition): All versions

CME BodyGuard Twins (2nd Edition): All versions

External links

http://ics-cert.us-cert.gov/advisories/icsma-22-335-01
http://www.bd.com/en-us/about-bd/cybersecurity/bulletin/bd-bodyguard-pumps-rs-232-interface-vulnerability

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.