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CVE-2021-39234— Raw block data can be read bypassing ACL/authorization

Quick assessment

Affected
Apache Software Foundation Apache Ozone
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 Ozone是一个应用软件。一个面向Hadoop和云原生环境的可伸缩，冗余和分布式对象存储。 Apache Ozone 中存在访问控制错误漏洞，该漏洞源于产品未对用户添加有效的权限检查。攻击者可通过该漏洞绕过ACL检查访问敏感信息。以下产品及版本受到影响：Apache Ozone 1.2.0 之前版本。

AI Predicted 8.1 Difficulty: Easy EPSS 1.41% · P72

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2021-39234

Vulnerability Information
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Vulnerability Title
Raw block data can be read bypassing ACL/authorization
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Ozone 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Ozone是一个应用软件。一个面向Hadoop和云原生环境的可伸缩，冗余和分布式对象存储。 Apache Ozone 中存在访问控制错误漏洞，该漏洞源于产品未对用户添加有效的权限检查。攻击者可通过该漏洞绕过ACL检查访问敏感信息。以下产品及版本受到影响：Apache Ozone 1.2.0 之前版本。
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 Ozone 1.1 ~ 1.1 -

II. Public POCs for CVE-2021-39234

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III. Intelligence Information for CVE-2021-39234

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Mailing List Discussions for CVE-2021-39234 (2)

Same Patch Batch · Apache Software Foundation · 2021-11-19 · 8 CVEs total

CVE-2021-41532 Unauthenticated access to Ozone Recon HTTP endpoints
CVE-2021-39236 Owners of the S3 tokens are not validated
CVE-2021-39235 Access mode of block tokens are not enforced
CVE-2021-39233 Container-related datanode operations can be called without authorization
CVE-2021-39232 Missing admin check for SCM related admin commands
CVE-2021-39231 Missing authentication/authorization on internal RPC endpoints
CVE-2021-36372 Original block tokens are persisted and can be retrieved

IV. Related Vulnerabilities

Same product: Apache Ozone
Same vendor: Apache Software Foundation
Same weakness: CWE-20

V. Comments for CVE-2021-39234

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