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AUSCERT External Security Bulletin Redistribution
ESB-2021.1058
Advisory (icsma-21-084-01) Philips Gemini PET/CT Family
26 March 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Philips Gemini PET/CT Family
Publisher: ICS-CERT
Operating System: Network Appliance
Impact/Access: Access Confidential Data -- Console/Physical
Resolution: Mitigation
CVE Names: CVE-2021-27456
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsma-21-084-01
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ICS Medical Advisory (ICSMA-21-084-01)
Philips Gemini PET/CT Family
Original release date: March 25, 2021
Legal Notice
All information products included in https://us-cert.cisa.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://us-cert.cisa.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 2.4
o ATTENTION: Low skill level to exploit
o Vendor: Philips
o Equipment: Gemini PET/CT Family
o Vulnerability: Storage of Sensitive Data in a Mechanism Without Access
Control
2. RISK EVALUATION
Successful exploitation of this vulnerability involving removable media could
allow access to sensitive information (including patient information).
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
Philips reports the vulnerability affects the following Gemini PET/CT products:
o 882300 Gemini 16 Slice
o 882160 Gemini Dual
o 882400 Gemini GXL 10 Slice
o 882390 Gemini GXL 6 Slice
o 882410 Gemini GXL 16 Slice
o 882412 GEMINI LXL
o 882473 Gemini TF Ready
o 882470 Gemini TF 16 w/ TOF Performance
o 882471 Gemini TF 64 w/ TOF Performance
o 882476 Gemini TF Big Bore
o 882438 TruFlight Select PET/CT
3.2 VULNERABILITY OVERVIEW
3.2.1 STORAGE OF SENSITIVE DATA IN A MECHANISM WITHOUT ACCESS CONTROL CWE-921
The software stores sensitive information in a removable media device that does
not have built-in access control.
CVE-2021-27456 has been assigned to this vulnerability. A CVSS v3 base score of
2.4 has been calculated; the CVSS vector string is ( AV:P/AC:L/PR:N/UI:N/S:U/
C:L/I:N/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
Jean GEORGE - CHU UCL Namur - Nuclear medicine department reported this
vulnerability to Philips.
4. MITIGATIONS
Philips has identified the following guidance and mitigations:
o Users should operate all Philips deployed and supported Gemini PET/CT
systems within Philips authorized specifications, including Philips
approved software, software configuration, system services, and security
configuration.
o Philips also recommends users implement a comprehensive, multi-layered
strategy to protect systems from internal and external security threats,
including restricting physical access of the scanner and removable media to
only authorized personnel to reduce the risk of physical access by an
unauthorized user.
o Patient health related information recorded on removable media may become
accessible to unauthorized individuals despite the application of the
anonymize function, which could create a security risk.
Users with questions regarding their specific installations of the Gemini PET/
CT Family should contact a Philips service support team. Philips contact
information is available at https://www.usa.philips.com/healthcare/solutions/
customer-service-solutions or 1-800-722-9377
The Philips advisory is available. 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. 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.cisa.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.cisa.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.
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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