B. Braun Vulnerability Disclosure statement    

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Security Advisory 

B. Braun Product Security Advisories contains of product-specific vulnerability updates and security-related information. Our advisories will list all known vulnerabilities for each product, the status and all recommendation customer actions such as fixes or patches or other mitigation strategies.

Revised advisories are posted regularly with the latest available information.

Manufacturer Disclosure Statement for Medical Device Security

B. Braun supplies our customers with information to help assess and address the vulnerabilities and risks associated with products that maintain or transmit ePHi.

 

 

Security Advisories

1      Executive Summary

  • CVSS v3  7.6
  • ATTENTION: Exploitable remotely/low and high skill level to exploit. Patient safety not affected!
  • Vendor: B. Braun Melsungen AG
  • Equipment: SpaceCom, Battery Pack SP with WiFi, Data module compactplus
  • Vulnerabilities: Cross-site Scripting, Open Redirect, XPath Injection, Session Fixation, Use of a One-Way Hash without a Salt, Improper Verification of Cryptographic Signature, Improper Privilege Management, Use of Hard-coded Credentials, Active Debug Code, Improper Access Control

2      Risk Evaluation

Successful exploitation of these vulnerabilities could allow an attacker to compromise the security of the Space or compactplus communication devices, allowing an attacker to escalate privileges, view sensitive information, upload arbitrary files, and perform remote code execution. 

B. Braun has received no reports of exploitation or incidents associated with these vulnerabilities.

Note that all listed vulnerabilities are in the communication devices that are separated in hardware and software from the infusion pumps. Safety of patients or users is not affected by the exploitation of these vulnerabilities. However, it may be possible to damage pumps that are in standby mode such that they do not return to operation without service intervention.

3      Technical Details

3.1    Affected Products

The following versions of B. Braun products are affected:

  • SpaceCom, software versions U61 and earlier (United States), L81 and earlier (rest of world)
  • Battery pack with WiFi, software versions U61 and earlier (United States), L81 and earlier (rest of world)
  • Data module compactplus, software versions A10 and A11 (not distributed in the United States)

Other devices of B. Braun are not affected.

3.2    Vulnerability Overview

3.2.1 Cross-site Scripting (Improper Neutralization of Input During Web Page Generation) (CWE-79)

A reflected cross-site scripting (XSS) vulnerability in the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows remote attackers to inject arbitrary web script or HTML into the administrative web interface.

CVE-2020-25158 has been assigned to this vulnerability. A CVSS v3 base score of 7.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L).

3.2.2   URL Redirection to Untrusted Site ('Open Redirect') (CWE-601)

An open redirect vulnerability in the administrative interface of the B. Braun SpaceCom device version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows attackers to redirect users to malicious websites.

CVE-2020-25154 has been assigned to this vulnerability. A CVSS v3 base score of 5.4 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N).

3.2.3     Improper Neutralization of Data within XPath Expressions (‘XPath Injection’)(CWE-643)

A XPath Injection vulnerability in the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows unauthenticated remote attackers to access sensitive information and escalate privileges.

CVE-2020-25162 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

3.2.4     Session Fixation (CWE-384)

A session fixation vulnerability in the B. Braun SpaceCom administrative interface version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows remote attackers to hijack web sessions and escalate privileges.

CVE-2020-25152 has been assigned to this vulnerability. A CVSS v3 base score of 6.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

3.2.5     Use of a One-way Hash without a Salt (CWE-759)

A vulnerability in the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows attackers to recover user credentials of the administrative interface.

CVE-2020-25164 has been assigned to this vulnerability. A CVSS v3 base score of 5.1 has been assigned; the CVSS vector string is (AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

3.2.6    Relative Path Traversal (CWE-23)

A relative path traversal attack in the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows attackers with service user privileges to upload arbitrary files. By uploading a specially crafted tar file, an attacker can execute arbitrary commands.

CVE-2020-25150 has been assigned to this vulnerability. A CVSS v3 base score of 7.6 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L).

3.2.7     Improper Verification of Cryptographic Signature (CWE-347)

An improper verification of the cryptographic signature of firmware updates of the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows attackers to generate valid firmware updates with arbitrary content that can be used to tamper with devices.

CVE-2020-25166 has been assigned to this vulnerability. A CVSS v3 base score of 6.8 has been assigned; the CVSS vector string is (AV:P/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H).

3.2.8    Improper Privilege Management (CWE-269)

A vulnerability in the configuration import mechanism of the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 allows an attacker with command line access to the underlying Linux system to escalate privileges to the root user.

CVE-2020-16238 has been assigned to this vulnerability. A CVSS v3 base score of 6.7 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

3.2.9     Use of Hard-Coded Credentials (CWE-798)

Hard-coded credentials in the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 enables attackers with command line access to access the devices WiFi module.

CVE-2020-25168 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

3.2.10    Active Debug Code (CWE-489)

Active debug code in the B. Braun SpaceCom version L81/U61 and the Data module compactplus versions A10 and A11 and earlier enables attackers in possession of cryptographic material to access the device as root.

CVE-2020-25156 has been assigned to this vulnerability. A CVSS v3 base score of 7.2 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

3.2.11  Improper Access Control (CWE-284)

Improper access controls in the B. Braun SpaceCom version L81/U61 and earlier and the Data module compactplus versions A10 and A11 enables attackers to extract and tamper with the devices network configuration.

CVE-2020-25160 has been assigned to this vulnerability. A CVSS v3 base score of 6.8 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L).

3.3    Background

  • Critical Infrastructure Sectors: Healthcare and Public Health
  • Countries/Areas Deployed: Worldwide
  • Company Headquarters Location: Germany

3.4     Researcher

Julian Suleder (ERNW Research GmbH), Nils Emmerich (ERNW Research GmbH), Birk Kauer (ERNW Research GmbH), Dr. Oliver Matula (ERNW Enno Rey Netzwerke GmbH) reported these vulnerabilities to B. Braun via the German Federal Office for Information Security (BSI) in the context of the BSI project ManiMed (Manipulation of medical devices).

4       Mitigations

B. Braun recommends applying updates:

  • SpaceCom: version U62 or later (United States), L82 or later (rest of world)
  • Battery Pack SP with WiFi: version U62 or later (United States), L82 or later (rest of world)
  • Data module compactplus: version A12 or later

As a general security measure, B. Braun recommends protecting the network with appropriate mechanisms:

  • Ensure the devices are not accessible directly from the internet!
  • Use a firewall and isolate the medical devices from the business network. 

The B. Braun advisory is available at bbraun.com/productsecurity. Please contact your local B. Braun organization to request further help.

This advisory was created in cooperation with authorities and organizations and will also be published through the CISA as (ICSMA-20-296-02) at https://us-cert.cisa.gov/ics/advisories/icsma-20-296-02.

5       Contact information

If you have any additional information regarding the security of our products, please contact your local B. Braun representative or directly productsecurity@bbraun.com.

If you are a B. Braun customer and need support in mitigating the above mentioned vulnerabilities, contact your local B. Braun representative. 

1       Executive Summary

CVSS v3  8.6

  • ATTENTION: Exploitable remotely/low and high skill level to exploit. Patient safety is not affected!
  • Vendor: B. Braun Melsungen AG
  • Equipment: OnlineSuite
  • Vulnerabilities: Relative Path Traversal, Uncontrolled Search Path Element, Improper Neutralization of Formula Elements in a CSV File.

2       Risk Evaluation

Successful exploitation of these vulnerabilities may allow an attacker to escalate privileges, download and upload arbitrary files, and perform remote code execution. B. Braun has received no reports of exploitation or incidents associated with these vulnerabilities.

Note that all listed vulnerabilities are in the server-side software that is separated from the infusion pumps! Safety of patients or users is not affected by these vulnerabilities.

3       Technical Details

3.1     Affected Products

The following versions of B. Braun products are affected:

  • OnlineSuite AP 3.0 and earlier

3.2     Vulnerability Overview

3.2.1     Relative Path Traversal (CWE-23)

A relative path traversal attack in the B. Braun OnlineSuite version AP 3.0 and earlier allows unauthenticated attackers to upload or download arbitrary files.

CVE-2020-25172 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L).

3.2.2     Uncontrolled Search Path Element (CWE-427)

A DLL hijacking vulnerability in the B. Braun OnlineSuite version AP 3.0 and earlier allows local attackers to execute code on the system as a high privileged user.

CVE-2020-25174 has been assigned to this vulnerability. A CVSS v3 base score of 8.4 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

3.2.3     Improper Neutralization of Formula Elements in a CSV File (CWE-1236)

An Excel Macro Injection vulnerability exists in the export feature in the B. Braun Melsungen AG OnlineSuite version AP 3.0 and earlier via multiple operator-controlled input fields that are mishandled in an Excel export.

CVE-2020-25170 has been assigned to this vulnerability. A CVSS v3 base score of 6.9 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:N).

3.3     Background

  • Critical Infrastructure Sectors: Healthcare and Public Health
  • Countries/Areas Deployed: Worldwide
  • Company Headquarters Location: Germany

3.4     Researcher

Julian Suleder (ERNW Research GmbH), Nils Emmerich (ERNW Research GmbH), Birk Kauer (ERNW Research GmbH), and Dr. Oliver Matula (ERNW Enno Rey Netzwerke GmbH) reported these vulnerabilities to B. Braun via the German Federal Office for Information Security (BSI).

4       Mitigations

B. Braun recommends applying updates:

  • OnlineSuite Field Service Information AIS06/20

As a general security measure, B. Braun recommends protecting the network with appropriate mechanisms:

  • Ensure the medical devices are not accessible directly from the internet!
  • Use a firewall and isolate the medical devices from the business network.

The B. Braun advisory is available at bbraun.com/productsecurity. Please contact your local B. Braun organization to request further help. 

This advisory was created in cooperation with authorities and organizations and will also be published through the CISA as ICSMA-20-296-01 at https://us-cert.cisa.gov/ics/advisories/icsma-20-296-01.

5       Contact information

If you have any additional information regarding the security of our products, please contact your local B. Braun representative or directly productsecurity@bbraun.com.

If you are a B. Braun customer and need support in mitigating the abovementioned vulnerabilities, contact your local B. Braun representative