GHSA-3jq8-jg75-rqv6

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GHSA-3jq8-jg75-rqv6

Summary: Cleartext Transmission of Sensitive Information in Apache nifi

Details: The template upload API endpoint accepted requests from different domain when sent in conjunction with ARP spoofing + man in the middle (MiTM) attack, resulting in a CSRF attack. The required attack vector is complex, requiring a scenario with client certificate authentication, same subnet access, and injecting malicious code into an unprotected (plaintext HTTP) website which the targeted user later visits, but the possible damage warranted a Severe severity level. Mitigation: The fix to apply Cross-Origin Resource Sharing (CORS) policy request filtering was applied on the Apache NiFi 1.8.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

References: https://nvd.nist.gov/vuln/detail/CVE-2018-17195, https://github.com/apache/nifi/commit/246c090526143943557b15868db6e8fe3fb30cf6, https://github.com/advisories/GHSA-3jq8-jg75-rqv6, https://issues.apache.org/jira/browse/NIFI-5595, https://nifi.apache.org/security.html#CVE-2018-17195