ICS Medical Advisory (ICSMA-22-095-01)

LifePoint Informatics Patient Portal

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1. EXECUTIVE SUMMARY

  • CVSS v3 6.5
  • ATTENTION: Exploitable remotely/low attack complexity
  • Vendor: LifePoint Informatics
  • Equipment: Patient Portal
  • Vulnerability: Authentication Bypass Using Alternate Path or Channel

2. RISK EVALUATION

Successful exploitation of this vulnerability could disclose sensitive information, including HIPAA-protected PII.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following version of LifePoint Informatics Patient Portal, a website containing patient health data, is affected:

  • Patient Portal Version LPI 3.5.12.P30

3.2 VULNERABILITY OVERVIEW

3.2.1    AUTHENTICATION BYPASS USING AN ALTERNATE PATH OR CHANNEL CWE-288

Navigating to a specific URL with a patient ID number will result in the server generating a PDF of a lab report without authentication and rate limiting.

CVE-2022-1067 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:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Healthcare and Public Health
  • COUNTRIES/AREAS DEPLOYED: United States
  • COMPANY HEADQUARTERS LOCATION: United States

3.4 RESEARCHER

Andrew Perrong reported this vulnerability to CISA.

4. MITIGATIONS

LifePoint Informatics released and deployed updated Version LPI 3.5.15 in February of 2022, which mitigated this vulnerability. LifePoint Informatics Patient Portal is a hosted application and users don’t need to take any action.

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

  • Minimize network exposure for all control system devices and/or systems, and ensure 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 VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its 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.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

No known public exploits specifically target this vulnerability.


Contact Information

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

Email: CISAservicedesk@cisa.dhs.gov
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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