XXE vulnerability in XSLT transforms in `org.hl7.fhir.core`
### Impact XSLT transforms 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. ### Patches This issue has been patched in release 6.3.23 ### Workarounds None. ### References [MITRE CWE](https://cwe.mitre.org/data/definitions/611.html) [OWASP XML External Entity Prevention Cheat Sheet](https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html#transformerfactory)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-45294US | — | — | ||
The HL7 FHIR Core Artifacts repository provides the java core object handling code, with utilities (including validator), for the Fast Healthcare Interoperability Resources (FHIR)… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/HL7/fhir-ig-publisher/releases/tag/1.6.22WEB
- https://github.com/HL7/fhir-ig-publisher/security/advisories/GHSA-59rq-22fm-x8q5WEB
- https://github.com/hapifhir/org.hl7.fhir.corePACKAGE
- https://github.com/hapifhir/org.hl7.fhir.core/releases/tag/6.3.23WEB
- https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-6cr6-ph3p-f5rfWEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-45294ADVISORY
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