User Impersonation Affecting org.apache.nifi:nifi-web-security Open this link in a new tab package, versions [0.7.0,0.7.2) [1.1.0,1.1.2)
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21 May 2017
10 Mar 2017
Affected versions of this package are vulnerable to User Impersonation. An attacker could carefully craft a username to impersonate another user and gain their permissions on a replicated request to another node, via the the proxy chain serialization/deserialization functions as they are vulnerable to an injection attack. This only occurs in a cluster environment.