Ethicon Endo-Surgery Generator: Unauthorised Access -- Console/Physical

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.3026
Advisory (ICSMA-17-332-01) Ethicon Endo-Surgery Generator G11 Vulnerability
                             29 November 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Ethicon Endo-Surgery Generator
Publisher:         ICS-CERT
Operating System:  Network Appliance
Impact/Access:     Unauthorised Access -- Console/Physical
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-14018  

Original Bulletin: 
   https://ics-cert.us-cert.gov/advisories/ICSMA-17-332-01

- --------------------------BEGIN INCLUDED TEXT--------------------

Advisory (ICSMA-17-332-01)

Ethicon Endo-Surgery Generator G11 Vulnerability

Original release date: November 28, 2017

Legal Notice

All information products included in http://ics-cert.us-cert.gov 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 http://www.us-cert.gov/tlp/.

OVERVIEW

Johnson & Johnson, the parent company of Ethicon Endo-Surgery, LLC, reported 
an improper authentication vulnerability in the Ethicon Endo-Surgery Generator
Gen11. EthiconEndo-Surgery, LLC has produced updates that mitigate this 
vulnerability in the affected product.

AFFECTED PRODUCTS

The following versions of the Ethicon Endo-Surgery Generator Gen11 are 
affected:

Ethicon Endo-Surgery Generator Gen11, all versions released before November 
29, 2017.

IMPACT

Impact to individual organizations depends on many factors that are unique to
each organization. ICS-CERT recommends that organizations evaluate the impact
of this vulnerability based on their operational environment and specific 
clinical usage.

BACKGROUND

Ethicon Endo-Surgery, LLC is a subsidiary of Johnson & Johnson and is a 
U.S.-based company that maintains offices in several countries around the 
world.

The Ethicon Endo-Surgery Generator Gen11 is deployed across the Healthcare and
Public Health sector. This product is marketed globally.

VULNERABILITY CHARACTERIZATION

VULNERABILITY OVERVIEW

IMPROPER AUTHENTICATIONa

The security authentication mechanism used between the Ethicon Endo-Surgery 
Generator Gen11 and single-patient use products can be bypassed, allowing for
unauthorized devices to be connected to the generator, which could result in a
loss of integrity or availability.

CVE-2017-14018b has been assigned to this vulnerability. A CVSS v3 base score
of 4.8 has been assigned; the CVSS vector string is 
(AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L).c

EXPLOITABILITY

This vulnerability cannot be exploited remotely.

EXISTENCE OF EXPLOIT

No known public exploits specifically target this vulnerability.

DIFFICULTY

An attacker with high skill would be able to exploit this vulnerability.

MITIGATION

Ethicon Endo-Surgery, LLC has contacted users and initiated a field 
cybersecurity update to address the vulnerability in the Ethicon Endo-Surgery
Generator Gen11. The update will be made available on November 29, 2017. Users
with questions regarding the vulnerability or the product update are advised 
to contact their Ethicon Endo-Surgery, LLC sales representative or Ethicon 
Customer Support Center at 1-877-ETHICON.

a. CWE-287: Improper Authentication, 
http://cwe.mitre.org/data/definitions/287.html, web site last accessed 
November 28, 2017.

b. NVD, http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-14018, NIST 
uses this advisory to create the CVE web site report. This web site will be 
active sometime after publication of this advisory.

c. CVSS Calculator, 
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S..., 
web site last accessed November 28, 2017.

Contact Information

For any questions related to this report, please contact ICS-CERT at:

Email: ics-cert@hq.dhs.gov (link sends e-mail)

Toll Free: 1-877-776-7585

International Callers: (208) 526-0900

For industrial control systems security information and incident reporting: 
http://ics-cert.us-cert.gov

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=PmzW
-----END PGP SIGNATURE-----