CVE-2024-52007
XXE vulnerability in XSLT parsing in `org.hl7.fhir.core`
Description
### Summary 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. ### Details This is related to https://github.com/hapifhir/org.hl7.fhir.core/security/advisories/GHSA-6cr6-ph3p-f5rf, in which its fix ( https://github.com/hapifhir/org.hl7.fhir.core/issues/1571, https://github.com/hapifhir/org.hl7.fhir.core/pull/1717) was incomplete. ### References https://cwe.mitre.org/data/definitions/611.html https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html#jaxp-documentbuilderfactory-saxparserfactory-and-dom4j
How to fix CVE-2024-52007
To remediate CVE-2024-52007, upgrade the affected package to a fixed version below.
- —upgrade to 6.4.0 or later
- —upgrade to 6.4.0 or later
- —upgrade to 6.4.0 or later
- —upgrade to 6.4.0 or later
- —upgrade to 6.4.0 or later
- —upgrade to 6.4.0 or later
Is CVE-2024-52007 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 6.4.0
- from 0, < 6.4.0
- from 0, < 6.4.0
- from 0, < 6.4.0
- from 0, < 6.4.0
- from 0, < 6.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |