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Https://gitlab.com/gitlab-org/security-products/gemnasium-dbGITLAB-6184DC7246418014E42720FEA52697E5

HistorySep 06, 2024 - 12:00 a.m.

XXE vulnerability in XSLT transforms in `org.hl7.fhir.core`

2024-09-0600:00:00

https://gitlab.com/gitlab-org/security-products/gemnasium-db

gitlab.com

xxe vulnerability

xslt transforms

org.hl7.fhir.core

xml external entity injections

dtd tag

malicious xml

host system data

external clients

software

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

AI Score

8.4

Confidence

High

EPSS

0.001

Percentile

18.8%

JSON

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.