CVE-2016-5001 Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop
A local user on an HDFS DataNode can craft block tokens to gain unauthorized read access to random files in Apache Hadoop.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-5001?
CVE-2016-5001 is a medium-severity vulnerability in Apache Hadoop, published on 30 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.
Weakness: CWE-200
Which versions are affected by CVE-2016-5001?
4 open source packages ship an affected version, including org.apache.hadoop:hadoop-common. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.hadoop:hadoop-common Maven | All versions | 2.6.4 |
org.apache.hadoop:hadoop-common Maven | All versions | 2.6.4 |
org.apache.hadoop:hadoop-common Maven | From 2.7.0 | 2.7.2 |
org.apache.hadoop:hadoop-common Maven | From 2.7.0 | 2.7.2 |
Products include Apache Hadoop.
How do I fix CVE-2016-5001?
Upgrade org.apache.hadoop:hadoop-common to a fixed version for your release line: 2.6.4 or 2.7.2.
Is CVE-2016-5001 being exploited?
There is no known exploitation of CVE-2016-5001 in the wild and no public exploit code.
Other vulnerabilities in Apache Hadoop
- CVE-2022-25168 Command injection in org.apache.hadoop.fs.FileUtil.unTarUsingTar
- CVE-2021-37404 Heap buffer overflow in libhdfs native library
- CVE-2022-26612 Arbitrary file write in FileUtil#unpackEntries on Windows
- CVE-2019-17195 Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT
- CVE-2017-15718 Exposure of Sensitive Information in Hadoop
Sources
Also known as GHSA-8r28-r8cp-g6cp.