XML External Entity Injection in HL7 FHIR IG Publisher Tool
CVE-2024-52807

8.6HIGH

Key Information:

Vendor

Hl7

Status
Fhir-ig-publisher
Vendor
CVE Published:
24 January 2025

What is CVE-2024-52807?

The HL7 FHIR IG Publisher, a tool for generating compliant FHIR Implementation Guides, is vulnerable to XML External Entity (XXE) injections prior to version 1.7.4. Attackers can exploit this vulnerability by submitting XML with malicious DTD tags, potentially compromising sensitive data from the host system. This situation arises in scenarios where the publisher accepts XML inputs from external clients. The issue has been addressed in the latest version 1.7.4. Users are encouraged to update immediately, as no workarounds exist to mitigate the risk.

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Deploy the Patch

Affected Version(s)

fhir-ig-publisher < 1.7.4

References

https://github.com/HL7/fhir-ig-publisher/security/advisor...
x_refsource_CONFIRM
https://github.com/HL7/fhir-ig-publisher/commit/3560de2f4...
x_refsource_MISC
https://github.com/HL7/fhir-ig-publisher/compare/1.7.3......
x_refsource_MISC

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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