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CVE-2021-34538— Apache Hive Security vulnerability in Hive with UDFs

Quick assessment

Affected
Apache Software Foundation Apache Hive
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Hive是美国阿帕奇（Apache）基金会的一套基于Hadoop（分布式系统基础架构）的数据仓库软件。该软件提供了一个数据集成方法和一种高级的查询语言，以支持在Hadoop上进行大规模数据分析。 Apache Hive 3.1.3之前版本存在安全漏洞，该漏洞源于Hive 的CREATE和DRO函数不检查授权，未经授权的用户可以删除并重新创建 UDF。

AI Predicted 8.5 Difficulty: Moderate EPSS 1.86% · P79
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I. Basic Information for CVE-2021-34538

Vulnerability Information
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Vulnerability Title
Apache Hive Security vulnerability in Hive with UDFs
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Hive before 3.1.3 "CREATE" and "DROP" function operations does not check for necessary authorization of involved entities in the query. It was found that an unauthorized user can manipulate an existing UDF without having the privileges to do so. This allowed unauthorized or underprivileged users to drop and recreate UDFs pointing them to new jars that could be potentially malicious.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Hive 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Hive是美国阿帕奇（Apache）基金会的一套基于Hadoop（分布式系统基础架构）的数据仓库软件。该软件提供了一个数据集成方法和一种高级的查询语言，以支持在Hadoop上进行大规模数据分析。 Apache Hive 3.1.3之前版本存在安全漏洞，该漏洞源于Hive 的CREATE和DRO函数不检查授权，未经授权的用户可以删除并重新创建 UDF。
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 Hive Apache Hive ~ 3.1.3 -

II. Public POCs for CVE-2021-34538

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III. Intelligence Information for CVE-2021-34538

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Mailing List Discussions for CVE-2021-34538 (1)

IV. Related Vulnerabilities

Same product: Apache Hive
Same vendor: Apache Software Foundation
Same weakness: CWE-306

V. Comments for CVE-2021-34538

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