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AUSCERT External Security Bulletin Redistribution
ESB-2020.2209
Advisory (icsma-20-177-01) Philips Ultrasound Systems
26 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Philips Ultrasound Systems
Publisher: US-CERT
Operating System: Network Appliance
Impact/Access: Modify Arbitrary Files -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-14477
Original Bulletin:
https://www.us-cert.gov/ics/advisories/icsma-20-177-01
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ICS Medical Advisory (ICSMA-20-177-01)
Philips Ultrasound Systems
Original release date: June 25, 2020
Legal Notice
All information products included in https://us-cert.gov/ics are provided"as
is" for informational purposes only. The Department of Homeland Security (DHS)
does not provide any warranties of any kind regarding any information contained
within. DHS does not endorse any commercial product or service, referenced in
this product or otherwise. Further dissemination of this product is governed by
the Traffic Light Protocol (TLP) marking in the header. For more information
about TLP, see https://www.us-cert.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 3.6
o Vendor: Philips
o Equipment : Ultrasound ClearVue, Ultrasound CX, Ultrasound EPIQ/Affiniti,
Ultrasound Sparq, Ultrasound Xperius
o Vulnerability: Authentication Bypass Using an Alternate Path or Channel
2. RISK EVALUATION
Successful exploitation of this vulnerability may allow a non-authenticated
attacker to view or modify information.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of Philips Ultrasound Systems, are affected:
o Ultrasound ClearVue Versions 3.2 and prior
o Ultrasound CX Versions 5.0.2 and prior
o Ultrasound EPIQ/Affiniti Versions VM5.0 and prior
o Ultrasound Sparq Version 3.0.2 and prior and
o Ultrasound Xperius all versions
3.2 VULNERABILITY OVERVIEW
3.2.1 AUTHENTICATION BYPASS USING AN ALTERNATE PATH OR CHANNEL CWE-288
An attacker may use an alternate path or channel that does not require
authentication of the alternate service login to view or modify information.
CVE-2020-14477 has been assigned to this vulnerability. A CVSS v3 base score of
3.6 has been calculated; the CVSS vector string is ( AV:L/AC:H/PR:L/UI:N/S:U/
C:L/I:L/A:N ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS : Healthcare and Public Health
o COUNTRIES/AREAS DEPLOYED : Worldwide
o COMPANY HEADQUARTERS LOCATION : Netherlands
3.4 RESEARCHER
Philips reported this vulnerability to CISA.
4. MITIGATIONS
Philips released Ultrasound EPIQ/Affiniti Version VM6.0 in April 2020 and
recommends users with the Ultrasound EPIQ/Affiniti systems to contact their
local Philips service support team, or regional service support for
installation information.
Philips is currently planning the following new releases:
o Ultrasound ClearVue Version 3.3 release in Q4 2020
o Ultrasound CX Version 5.0.3 release in Q4 2020
o Ultrasound Sparq Version 3.0.3 release in Q4 2020
As an interim mitigation to this vulnerability, Philips recommends customers
ensure service providers can guarantee installed device integrity during all
service and repair operations.
Users with questions regarding their specific Ultrasound installation should
contact the Philips service support team or regional service support.
Users can contact Philipscustomer service , and find more details in the
Philipsadvisory (external link). Please see the Philips product security
website for the latest security information for Philips products.
CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should:
o Implement physical security measures to limit or control access to critical
systems.
o Restrict system access to authorized personnel only and follow a least
privilege approach.
o Apply defense-in-depth strategies.
o Disable unnecessary accounts and services.
o Where additional information is needed, refer to existing cybersecurity in
medical device guidance issued by the FDA .
CISA reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices
on the ICS webpage on us-cert.gov . Several recommended practices are available
for reading and download, including Improving Industrial Control Systems
Cybersecurity with Defense-in-Depth Strategies .
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on us-cert.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
No known public exploits specifically target this vulnerability. This
vulnerability is not exploitable remotely. High skill level is needed to
exploit.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
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