CVE-2019-10080: Improper Restriction of XML External Entity Reference

November 19, 2019 (updated November 22, 2019)

The XMLFileLookupService in NiFi allowed trusted users to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE) and reveal information such as the versions of Java, Jersey, and Apache that the NiFI instance uses.

References

nifi.apache.org/security.html
nvd.nist.gov/vuln/detail/CVE-2019-10080

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