CVE-2021-37404 Heap buffer overflow in libhdfs native library

What is CVE-2021-37404?

CVE-2021-37404 is a critical memory corruption vulnerability in Apache Hadoop, published on 13 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a potential heap buffer overflow in Apache Hadoop libhdfs native code. Opening a file path provided by user without validation may result in a denial of service or arbitrary code execution. Users should upgrade to Apache Hadoop 2.10.2, 3.2.3, 3.3.2 or higher.

Weakness: CWE-787

Which versions are affected by CVE-2021-37404?

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

Products include Apache Hadoop.

How do I fix CVE-2021-37404?

Upgrade org.apache.hadoop:hadoop-common to a fixed version for your release line: 2.10.2, 3.2.3 or 3.3.2.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-37404 being exploited?

There is no known exploitation of CVE-2021-37404 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 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
• CVE-2012-4449 Use of a Broken or Risky Cryptographic Algorithm in Apache Hadoop Critical 9.8

Sources

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

Also known as GHSA-rmpj-7c96-mrg8.