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CVE-2021-25642— Apache Hadoop YARN remote code execution in ZKConfigurationStore of capacity scheduler

Quick assessment

Affected
Apache Software Foundation Apache Hadoop
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Hadoop是美国阿帕奇（Apache）基金会的一套开源的分布式系统基础架构。该产品能够对大量数据进行分布式处理，并具有高可靠性、高扩展性、高容错性等特点。 Apache Hadoop YARN存在安全漏洞，该漏洞源于其CapacityScheduler可选地使用ZKConfigurationStore时，它将从ZooKeeper获取的数据反序列化而无需验证，导致能够访问ZooKeeper的攻击者可以以YARN用户的身份运行任意命令。

AI Predicted 8.1 Difficulty: Trivial EPSS 2.25% · P82

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-25642

Vulnerability Information
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Vulnerability Title
Apache Hadoop YARN remote code execution in ZKConfigurationStore of capacity scheduler
Source: CVE Program / CVE List V5
Vulnerability Description
ZKConfigurationStore which is optionally used by CapacityScheduler of Apache Hadoop YARN deserializes data obtained from ZooKeeper without validation. An attacker having access to ZooKeeper can run arbitrary commands as YARN user by exploiting this. Users should upgrade to Apache Hadoop 2.10.2, 3.2.4, 3.3.4 or later (containing YARN-11126) if ZKConfigurationStore is used.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Hadoop 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Hadoop是美国阿帕奇（Apache）基金会的一套开源的分布式系统基础架构。该产品能够对大量数据进行分布式处理，并具有高可靠性、高扩展性、高容错性等特点。 Apache Hadoop YARN存在安全漏洞，该漏洞源于其CapacityScheduler可选地使用ZKConfigurationStore时，它将从ZooKeeper获取的数据反序列化而无需验证，导致能够访问ZooKeeper的攻击者可以以YARN用户的身份运行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Hadoop 2.9.0 to 2.10.1, 3.0.0-alpha1 to 3.1.4, 3.2.0 to 3.2.3, and 3.3.0 to 3.3.3 -

II. Public POCs for CVE-2021-25642

# POC Description Source Link Shenlong Link
1 CVE-2021-25642 https://github.com/safe3s/CVE-2021-25642 POC Details
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III. Intelligence Information for CVE-2021-25642

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Vendor Advisories for CVE-2021-25642 (1)

Mailing List Discussions for CVE-2021-25642 (1)

IV. Related Vulnerabilities

Same product: Apache Hadoop
Same vendor: Apache Software Foundation
Same weakness: CWE-502

V. Comments for CVE-2021-25642

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