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CVE-2023-51702— Apache Airflow CNCF Kubernetes provider, Apache Airflow: Kubernetes configuration file saved without encryption in the Metadata and logged as plain text in the Triggerer service

Quick assessment

Affected
Apache Software Foundation Apache Airflow CNCF Kubernetes provider
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 Airflow是美国阿帕奇（Apache）基金会的一套用于创建、管理和监控工作流程的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow 2.3.0版本至2.6.0之前版本存在安全漏洞，该漏洞源于配置字典以纯文本形式记录在触发器服务中，允许任何有权访问元数据或触发器的攻击者获取配置文件并使用它来访问Kubernetes集群。

AI Predicted 7.5 Difficulty: Easy EPSS 0.39% · P30

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-51702

Vulnerability Information
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Vulnerability Title
Apache Airflow CNCF Kubernetes provider, Apache Airflow: Kubernetes configuration file saved without encryption in the Metadata and logged as plain text in the Triggerer service
Source: CVE Program / CVE List V5
Vulnerability Description
Since version 5.2.0, when using deferrable mode with the path of a Kubernetes configuration file for authentication, the Airflow worker serializes this configuration file as a dictionary and sends it to the triggerer by storing it in metadata without any encryption. Additionally, if used with an Airflow version between 2.3.0 and 2.6.0, the configuration dictionary will be logged as plain text in the triggerer service without masking. This allows anyone with access to the metadata or triggerer log to obtain the configuration file and use it to access the Kubernetes cluster. This behavior was changed in version 7.0.0, which stopped serializing the file contents and started providing the file path instead to read the contents into the trigger. Users are recommended to upgrade to version 7.0.0, which fixes this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Airflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Airflow是美国阿帕奇（Apache）基金会的一套用于创建、管理和监控工作流程的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow 2.3.0版本至2.6.0之前版本存在安全漏洞，该漏洞源于配置字典以纯文本形式记录在触发器服务中，允许任何有权访问元数据或触发器的攻击者获取配置文件并使用它来访问Kubernetes集群。
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 Airflow CNCF Kubernetes provider 5.2.0 ~ 7.0.0 -
Apache Software Foundation Apache Airflow 2.3.0 ~ 2.6.1 -

II. Public POCs for CVE-2023-51702

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III. Intelligence Information for CVE-2023-51702

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Patches & Fixes for CVE-2023-51702 (3)

Mailing List Discussions for CVE-2023-51702 (2)

Same Patch Batch · Apache Software Foundation · 2024-01-24 · 3 CVEs total

CVE-2023-50944 Apache Airflow: Bypass permission verification to read code of other dags
CVE-2023-50943 Apache Airflow: Potential pickle deserialization vulnerability in XComs

IV. Related Vulnerabilities

Same product: Apache Airflow CNCF Kubernetes provider
Same vendor: Apache Software Foundation
Same weakness: CWE-532

V. Comments for CVE-2023-51702

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