CVE-2022-38100

Summary

The CMS800 device fails while attempting to parse malformed network data sent by a threat actor. A threat actor with network access can remotely issue a specially formatted UDP request that will cause the entire device to crash and require a physical reboot. A UDP broadcast request could be sent that causes a mass denial-of-service attack on all CME8000 devices connected to the same network.

Affected Software

VendorProductVersion RangeStatus
Contec HealthCMS8000 CONTEC ICU CCU Vital Signs Patient MonitorAllaffected

Weaknesses

  • CWE-400: CWE-400 Uncontrolled Resource Consumption

Workarounds

Contec Health has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact Contec Health for additional information.

The following mitigations could assist in reducing the risk for exploitation of vulnerabilities:

Disabling UART functionality at the CPU level Enforcing unique device authentication before granting access to the terminal / bootloader Where possible, enforcing secure boot. Tamper stickers on the device casing to indicate when a device has been opened

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References