SB2022082559 - Deserialization of Untrusted Data in Apache Hadoop
Published: August 25, 2022 Updated: June 2, 2025
Security Bulletin ID
SB2022082559
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2021-25642)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to ZKConfigurationStore which is optionally used by CapacityScheduler of Apache Hadoop YARN deserializes data obtained from ZooKeeper without validation. A remote user with an access to ZooKeeper can run arbitrary commands as YARN user by exploiting this vulnerability.
Remediation
Install update from vendor's website.