The Java implementations of AMF3 deserializers in Pivotal/Spring Spring-flex derive class instances from java.io.Externalizable rather than the AMF3 specification's recommendation of flash.utils.IExternalizable. A remote attacker with the ability to spoof or control an RMI server connection may be able to send serialized Java objects that execute arbitrary code when deserialized.
{
"cwe_ids": [
"CWE-502"
],
"github_reviewed": true,
"github_reviewed_at": "2022-07-01T17:28:45Z",
"nvd_published_at": "2018-06-11T17:29:00Z",
"severity": "HIGH"
}