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 1. Industrial Control Systems    >
 2. ICS-CERT Advisories    >
 3. Philips Vue PACS (Update B)

More ICS-CERT Advisories


ICS MEDICAL ADVISORY (ICSMA-21-187-01)


PHILIPS VUE PACS (UPDATE B)

Original release date: April 05, 2022



LEGAL NOTICE

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provided "as is" for informational purposes only. The Department of Homeland
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1. EXECUTIVE SUMMARY

 * CVSS v3 9.8
 * ATTENTION: Exploitable remotely/low attack complexity
 * Vendor: Philips
 * Equipment: Vue PACS
 * Vulnerabilities: Cleartext Transmission of Sensitive Information, Improper
   Restriction of Operations within the Bounds of a Memory Buffer, Improper
   Input Validation, Improper Authentication, Improper Initialization, Use of a
   Broken or Risky Cryptographic Algorithm, Protection Mechanism Failure, Use of
   a Key Past its Expiration Date, Insecure Default Initialization of Resource,
   Improper Handling of Unicode Encoding, Insufficiently Protected Credentials,
   Data Integrity Issues, Cross-site Scripting, Improper Neutralization, Use of
   Obsolete Function, Relative Path Traversal


2. UPDATE INFORMATION

This updated advisory is a follow-up to the advisory update titled
ICSMA-21-87-01 Philips Vue PACS (Update A) that was published January 20, 2022,
to the ICS webpage on www.cisa.gov/uscert/ics.


3. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an unauthorized
person or process to eavesdrop, view or modify data, gain system access, perform
code execution, install unauthorized software, or affect system data integrity
in such a way as to negatively impact the confidentiality, integrity, or
availability of the system.


4. TECHNICAL DETAILS


4.1 AFFECTED PRODUCTS

Philips reports these vulnerabilities affect the following Vue PACS products:

 * Vue PACS: Versions 12.2.x.x and prior
 * Vue MyVue: Versions 12.2.x.x and prior
 * Vue Speech: Versions 12.2.x.x and prior
 * Vue Motion: Versions 12.2.1.5 and prior


4.2 VULNERABILITY OVERVIEW

4.2.1    IMPROPER INPUT VALIDATION CWE-20

The product receives input or data, but it does not validate or incorrectly
validates that the input has the properties that are required to process the
data safely and correctly.

CVE-2020-1938 has been assigned to this vulnerability. A CVSS v3 base score of
9.8 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

4.2.2    IMPROPER RESTRICTION OF OPERATIONS WITHIN THE BOUNDS OF A MEMORY BUFFER
CWE-119

The software performs operations on a memory buffer, but it can read from or
write to a memory location that is outside of the intended boundary of the
buffer. This vulnerability exists within a third party software component
(Redis).

CVE-2018-12326 and CVE-2018-11218 has been assigned to this vulnerability. A
CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

4.2.3    IMPROPER AUTHENTICATION CWE-287

When an actor claims to have a given identity, the software does not prove or
insufficiently proves that the claim is correct. This vulnerability exists
within a third party software component (Redis).

CVE-2020-4670 has been assigned to this vulnerability. A CVSS v3 base score of
9.8 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

4.2.4    INSECURE DEFAULT INITIALIZATION OF RESOURCE CWE-1188

The software initializes or sets a resource with a default that is intended to
be changed by the administrator, but the default is not secure.

CVE-2018-8014 has been assigned to this vulnerability. A CVSS v3 base score of
9.8 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

4.2.5    USE OF A KEY PAST ITS EXPIRATION DATE CWE-324

The product uses a cryptographic key or password past its expiration date, which
diminishes its safety significantly by increasing the timing window for cracking
attacks against that key.

CVE-2021-33020 has been assigned to this vulnerability. A CVSS v3 base score of
8.2 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).

4.2.6    IMPROPER INITIALIZATION CWE-665

The software does not initialize or incorrectly initializes a resource, which
might leave the resource in an unexpected state when it is accessed or used.
This vulnerability exists within a third party software component (7-Zip).

CVE-2018-10115 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is
(AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

4.2.7    IMPROPER ADHERENCE TO CODING STANDARDS CWE-710

The software does not follow certain coding rules for development, which can
lead to resultant weaknesses or increase the severity of the associated
vulnerabilities.

CVE-2021-27501 has been assigned to this vulnerability. A CVSS v3 base score of
7.5 has been calculated; the CVSS vector string is
(AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).

4.2.8    USE OF A BROKEN OR RISKY CRYPTOGRAPHIC ALGORITHM CWE-327

The use of a broken or risky cryptographic algorithm is an unnecessary risk that
may result in the exposure of sensitive information.

CVE-2021-33018 has been assigned to this vulnerability. A CVSS v3 base score of
6.5 has been calculated; the CVSS vector string is
(AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).

4.2.9    PROTECTION MECHANISM FAILURE CWE-693

The product does not use or incorrectly uses a protection mechanism that
provides sufficient defense against directed attacks against the product.

CVE-2021-27497 has been assigned to this vulnerability. A CVSS v3 base score of
6.5 has been calculated; the CVSS vector string is
(AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).

4.2.10    DATA INTEGRITY ISSUES CWE-1214

Weaknesses in this category is related to a software system's data integrity
components. This vulnerability exists within a third party software component
(Oracle Database).

CVE-2012-1708 has been assigned to this vulnerability. A CVSS v3 base score of
6.5 has been calculated; the CVSS vector string is
(AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

4.2.11    CROSS-SITE SCRIPTING CWE-79

The software does not neutralize or incorrectly neutralizes user-controllable
input before it is placed in an output used as a webpage that is served to other
users.

CVE-2015-9251 has been assigned to this vulnerability. A CVSS v3 base score of
6.1 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

4.2.12    IMPROPER NEUTRALIZATION CWE-707

The product does not ensure or incorrectly ensures structured messages or data
are well formed and that certain security properties are met before being read
from an upstream component or sent to a downstream component.

CVE-2021-27493 has been assigned to this vulnerability. A CVSS v3 base score of
6.1 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

4.2.13    IMPROPER HANDLING OF UNICODE ENCODING CWE-176

The software does not properly handle when an input contains Unicode encoding.

CVE-2019-9636 has been assigned to this vulnerability. A CVSS v3 base score of
5.3 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

4.2.14    INSUFFICIENTLY PROTECTED CREDENTIALS CWE-522

The product transmits or stores authentication credentials, but it uses an
insecure method susceptible to unauthorized interception and/or retrieval.

CVE-2021-33024 has been assigned to this vulnerability. A CVSS v3 base score of
3.7 has been calculated; the CVSS vector string is
(AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

4.2.15    CLEARTEXT TRANSMISSION OF SENSITIVE INFORMATION CWE-319

The software transmits sensitive or security-critical data in cleartext in a
communication channel that can be sniffed by unauthorized actors.

CVE-2021-33022 has been assigned to this vulnerability. A CVSS v3 base score of
7.5 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

4.2.16    RELATIVE PATH TRAVERSAL CWE-23

The VideoStream function allows authenticated users access to files stored
outside the web root.

CVE-2021-39369 has been assigned to this vulnerability. A CVSS v3 base score of
2.7 has been calculated; the CVSS vector string is
(AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).


4.3 BACKGROUND

 * CRITICAL INFRASTRUCTURE SECTORS: Healthcare and Public Health
 * COUNTRIES/AREAS DEPLOYED: Worldwide
 * COMPANY HEADQUARTERS LOCATION: Netherlands


4.4 RESEARCHER

Antonio Kulhanek reported CVE-2021-39369 to Philips. Philips reported these
vulnerabilities to CISA.


5. MITIGATIONS

Philips has released the following plans to address these vulnerabilities:

 * Philips recommends configuring the Vue PACS environment per D000763414 –
   Vue_PACS_12_Ports_Protocols_Services_Guide available on Incenter(link is
   external).
 * Philips released Version 12.2.1.5 in June of 2020 for MyVue that remediates
   CWE-693 and recommends contacting support below.
 * Philips released Version 12.2.1.5 in June of 2020 for Vue Motion that
   remediates CWE-324 and recommends contacting support below.
 * Philips released Version 12.2.8.0 in May of 2021 for Speech that remediates
   CWE-693, CWE-319, CWE-119, CWE-287, and CWE-1214 and recommends contacting
   support below.
 * Philips released Version 12.2.8.0 in May of 2021 for PACS that remediates
   CWE-20, CWE-119, CWE-287 and recommends contacting support below.

--------- Begin Update B Part 1 of 1 ---------

 * Philips released a security fix for Speech in Nov 2021 that remediates
   CWE-665 and CWE-327 and recommends contacting support below.
 * Philips released Version 12.2.8.100 in Q1 / 2022 for MyVue that remediates
   CWE-665 and CWE-710  and recommends contacting support below.
 * Philips released Version 12.2.8.100 in Q1 / 2022 for PACS that remediates
   CWE-79, CWE-693, CWE-665, CWE-1188, CWE-327, CWE-176, CWE-522, CWE-710, and
   CWE-707 and recommends contacting support below.
 * Philips will release a fix for PACS that remediates CWE-522 with low score of
   3.7 in Q3 2023.

--------- End Update B Part 1 of 1 ---------

Releases are subject to country specific regulations. Users with questions
regarding their specific Philips Vue PACS installations and new release
eligibility should contact a Philips Sales representative or submit a quote
request in the eService portal at: Login - eService (philips.com)(link is
external).

The Philips advisory(link is external) is available. Please see the Philips
product security website(link is external) for the latest security information
for Philips products.

CISA recommends users take defensive measures to minimize the risk of
exploitation of these vulnerabilities. Specifically, users should:

 * Minimize network exposure for all control system devices and/or systems, and
   ensure that they are not accessible from the Internet.
 * Locate control system networks and remote devices behind firewalls, and
   isolate them from the business network.
 * When remote access is required, use secure methods, such as Virtual Private
   Networks (VPNs), recognizing that VPNs may have vulnerabilities and should be
   updated to the most current version available. Also recognize that VPN is
   only as secure as the connected devices.

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 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 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 these vulnerabilities. 



CONTACT INFORMATION

For any questions related to this report, please contact the CISA at:

Email: CISAservicedesk@cisa.dhs.gov(link sends email)
Toll Free: 1-888-282-0870

For industrial control systems cybersecurity information: 
https://us-cert.cisa.gov/ics 
or incident reporting:  https://us-cert.cisa.gov/report

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