XML External Entity Reference in Apache NiFi
High severity
GitHub Reviewed
Published
Feb 10, 2023
to the GitHub Advisory Database
•
Updated Feb 17, 2023
Description
Published by the National Vulnerability Database
Feb 10, 2023
Published to the GitHub Advisory Database
Feb 10, 2023
Reviewed
Feb 10, 2023
Last updated
Feb 17, 2023
The ExtractCCDAAttributes Processor in Apache NiFi 1.2.0 through 1.19.1 does not restrict XML External Entity references. Flow configurations that include the ExtractCCDAAttributes Processor are vulnerable to malicious XML documents that contain Document Type Declarations with XML External Entity references. The resolution disables Document Type Declarations and disallows XML External Entity resolution in the ExtractCCDAAttributes Processor.
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