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CVE-2021-45448— Pentaho Business Analytics Server - Pentaho Analyzer plugin exposes a service endpoint for templates which allows a user supplied path to access resources that are out of bounds.

Quick assessment

Affected
Hitachi Vantara Pentaho Business Analytics Server
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.

Hitachi Pentaho Business Analytics是日本日立制作所（Hitachi）公司的一个业务分析平台。用于安全地访问、集成、操作、可视化和分析大数据资产。 Hitachi Pentaho Business Analytics 9.2.0.2 版本之前的 9.2 版本和 8.3.0.25 版本之前的 8.3 版本存在安全漏洞，该漏洞源于某个插件公开了模板的服务端点，允许用户提供的路径访问越界资源。

CVSS 7.1 · High EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-45448

Vulnerability Information
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Vulnerability Title
Pentaho Business Analytics Server - Pentaho Analyzer plugin exposes a service endpoint for templates which allows a user supplied path to access resources that are out of bounds.
Source: CVE Program / CVE List V5
Vulnerability Description
Pentaho Business Analytics Server versions before 9.2.0.2 and 8.3.0.25 using the Pentaho Analyzer plugin exposes a service endpoint for templates which allows a user-supplied path to access resources that are out of bounds.  The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.  By using special elements such as ".." and "/" separators, attackers can escape outside of the restricted location to access files or directories that are elsewhere on the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Hitachi Pentaho Business Analytics 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hitachi Pentaho Business Analytics是日本日立制作所（Hitachi）公司的一个业务分析平台。用于安全地访问、集成、操作、可视化和分析大数据资产。 Hitachi Pentaho Business Analytics 9.2.0.2 版本之前的 9.2 版本和 8.3.0.25 版本之前的 8.3 版本存在安全漏洞，该漏洞源于某个插件公开了模板的服务端点，允许用户提供的路径访问越界资源。
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
Hitachi Vantara Pentaho Business Analytics Server 9.2 ~ 9.2.0.2 -

II. Public POCs for CVE-2021-45448

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III. Intelligence Information for CVE-2021-45448

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Other References for CVE-2021-45448 (1)

Same Patch Batch · Hitachi Vantara · 2022-11-02 · 3 CVEs total

CVE-2021-45447 7.7 HIGH Pentaho Business Analytics Server - With the Data Lineage feature enabled, the system tra
CVE-2021-45446 5.0 MEDIUM Pentaho Business Analytics Server - Exposure of Information Through Directory Listing

IV. Related Vulnerabilities

Same product: Pentaho Business Analytics Server
Same vendor: Hitachi Vantara
Same weakness: CWE-22

V. Comments for CVE-2021-45448

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