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.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:nifi:0.7.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.7.0"
},
{
"last_affected": "0.7.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:nifi:0.7.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.7.1"
},
{
"last_affected": "0.7.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:nifi:1.1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.1.0"
},
{
"last_affected": "1.1.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:apache:nifi:1.1.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.1.1"
},
{
"last_affected": "1.1.1"
}
],
"source": "CPE_STRING"
}
]
}