CVE-2012-3376 Client BlockTokens not checked in Apache Hadoop

What is CVE-2012-3376?

CVE-2012-3376 is a high-severity missing authorization vulnerability in n/a, published on 12 Jul 2012. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-310

Which versions are affected by CVE-2012-3376?

2 open source packages ship an affected version, including org.apache.hadoop:hadoop-client. It affects 1 product.

Products include Apache Hadoop.

How do I fix CVE-2012-3376?

Upgrade org.apache.hadoop:hadoop-client to 2.0.1-alpha or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2012-3376 being exploited?

There is no known exploitation of CVE-2012-3376 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-25168 Command injection in org.apache.hadoop.fs.FileUtil.unTarUsingTar Critical 9.8
• CVE-2021-37404 Heap buffer overflow in libhdfs native library Critical 9.8
• CVE-2022-26612 Arbitrary file write in FileUtil#unpackEntries on Windows Critical 9.8
• CVE-2019-17195 Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT Critical 9.8
• CVE-2017-15718 Exposure of Sensitive Information in Hadoop Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qmh2-h7r6-gm6q.