Description
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.
Remediation
References
http://www.securityfocus.com/bid/96731
https://nifi.apache.org/security.html#CVE-2017-5636
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