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Philips Tasy EMR (Update A)

Monitor4.3ICS-CERT ICSMA-19-120-01Apr 30, 2019
Attack VectorNetwork
Auth RequiredLow
ComplexityLow
User InteractionNone needed
Summary

Philips Tasy EMR and Tasy WebPortal contain input validation vulnerabilities (CWE-79 cross-site scripting and CWE-200 information exposure) that could allow an authenticated attacker to execute arbitrary code, alter control flow, or access sensitive patient information. The vulnerabilities affect Tasy EMR versions 3.02.1744 and prior, and Tasy WebPortal versions 3.02.1757 and prior. An attacker with valid login credentials could exploit these issues to compromise patient confidentiality and system integrity.

What this means
What could happen
An attacker with valid login credentials could access patient data or alter system behavior through malicious input, compromising patient privacy and system reliability. This is an electronic medical record system, so confidentiality of protected health information is the primary concern.
Who's at risk
Healthcare organizations using Philips Tasy EMR or Tasy WebPortal should care, including hospital IT/clinical engineering staff responsible for electronic medical record systems. This affects any hospital or clinic running on-premise Tasy installations at or below the affected versions.
How it could be exploited
An authenticated attacker injects malicious input into the Tasy EMR or WebPortal application interface. The application fails to properly validate this input, allowing the attacker to execute arbitrary code or access database records containing patient information. No network-level attack is required—the attacker must already have valid login credentials.
Prerequisites
  • Valid user credentials for Tasy EMR or WebPortal
  • Network access to the Tasy application (internal network for on-premise installations)
  • Knowledge of application input fields vulnerable to injection
Affects patient data confidentialityRequires valid user credentials (reduces but does not eliminate risk)Low attack complexityVulnerabilities are input validation issues (CWE-79 XSS, CWE-200 information exposure)
Exploitability
Low exploit probability (EPSS 0.2%)
Affected products (2)
2 with fix
ProductAffected VersionsFix Status
Tasy EMR Versions: 3.02.1744 and prior≤ 3.01.17443.03.1745
Tasy WebPortal:≤ 3.02.17573.03.1758
Remediation & Mitigation
0/5
Do now
0/1
HOTFIXIf using a hosted (cloud) Tasy solution, verify that Philips has applied the patch automatically
Schedule — requires maintenance window
0/2

Patching may require device reboot — plan for process interruption

HOTFIXUpdate Tasy EMR to version 3.03.1745 or higher
HOTFIXUpdate Tasy WebPortal to version 3.03.1758 or higher
Long-term hardening
0/2
HARDENINGReview and enforce the security configuration settings described in the Tasy EMR product configuration manual
HARDENINGReview application server security settings and follow the application server manufacturer's best practices documentation
View full CISA ICS-CERT advisory
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