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Java. XSLT CVE-2024-52007

HIGH
Improper Restriction of XML External Entity Reference (CWE-611)
2024-11-08 security-advisories@github.com
8.6
CVSS 3.1 · Vendor: github
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Severity by source

Vendor (github) PRIMARY
8.6 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Primary rating from Vendor (github) · only source for this CVE.

CVSS VectorVendor: github

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
CVE Published
Nov 08, 2024 - 23:15 cve.org
HIGH 8.6

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 108 maven packages depend on ca.uhn.hapi.fhir:org.hl7.fhir.dstu2016may (3 direct, 105 indirect)
  • 110 maven packages depend on ca.uhn.hapi.fhir:org.hl7.fhir.dstu3 (4 direct, 106 indirect)
  • 121 maven packages depend on ca.uhn.hapi.fhir:org.hl7.fhir.r4 (4 direct, 117 indirect)
  • 96 maven packages depend on ca.uhn.hapi.fhir:org.hl7.fhir.r4b (2 direct, 94 indirect)
  • 109 maven packages depend on ca.uhn.hapi.fhir:org.hl7.fhir.r5 (7 direct, 102 indirect)

Ecosystem-wide dependent count for version 6.4.0 and other introduced versions.

DescriptionCVE.org

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. XSLT parsing performed by various components are vulnerable to XML external entity injections. A processed XML file with a malicious DTD tag ( <!DOCTYPE foo [<!ENTITY example SYSTEM "/etc/passwd"> ]> could produce XML containing data from the host system. This impacts use cases where org.hl7.fhir.core is being used to within a host where external clients can submit XML. This is related to GHSA-6cr6-ph3p-f5rf, in which its fix (#1571 & #1717) was incomplete. This issue has been addressed in release version 6.4.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

AnalysisAI

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. XSLT parsing performed by various components are vulnerable to XML external entity injections. A processed XML file with a malicious DTD tag ( <!DOCTYPE foo [<!ENTITY example SYSTEM "/etc/passwd"> ]> could produce XML containing data from the host system. This impacts use cases where org.hl7.fhir.core is being used to within a host where external clients can submit XML. This is related to GHSA-6cr6-ph3p-f5rf, in which its fix (#1571 & #1717) was incomplete. This issue has been addressed in release version 6.4.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability. Version information: version 6.4.0.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

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CVE-2024-52007 vulnerability details – vuln.today

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