XML External Entity injection in FHIR - CVE-2024-52007
Published: November 26, 2024
Vulnerability identifier: #VU100927
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-52007
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: HAPI FHIR
Affected software:
FHIR
FHIR
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
How to mitigate CVE-2024-52007
Install updates from vendor's website.
Sources
- https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-gr3c-q7xf-47vh
- https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-6cr6-ph3p-f5rf
- https://github.com/hapifhir/org.hl7.fhir.core/issues/1571
- https://github.com/hapifhir/org.hl7.fhir.core/pull/1717
- https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html#jaxp-documentbuilderfactory-saxparserfactory-and-dom4j
- https://cwe.mitre.org/data/definitions/611.html