DataNodes in Apache Hadoop 2.0.0 alpha does not check the BlockTokens of clients when Kerberos is enabled and the DataNode has checked out the same BlockPool twice from a NodeName, which might allow remote clients to read arbitrary blocks, write to blocks to which they only have read access, and have other unspecified impacts.
{
"github_reviewed": true,
"cwe_ids": [],
"nvd_published_at": "2012-07-12T19:55:00Z",
"github_reviewed_at": "2022-07-13T21:25:16Z",
"severity": "HIGH"
}