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CVE-2022-23640— Improper Restriction of XML External Entity Reference in Excel-Streaming-Reader

Quick assessment

Affected
monitorjbl excel-streaming-reader
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.

Excel-Streaming-Reader是一个使用 Apache POI 的流式 Excel 阅读器。 Excel-Streaming-Reader 2.1.0之前版本存在代码问题漏洞，该漏洞源于软件所使用的XML解析器缺少了某些必要的设置，导致XML实体扩展问题。

CVSS 9.8 · Critical EPSS 1.27% · P69

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-23640

Vulnerability Information
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Vulnerability Title
Improper Restriction of XML External Entity Reference in Excel-Streaming-Reader
Source: CVE Program / CVE List V5
Vulnerability Description
Excel-Streaming-Reader is an easy-to-use implementation of a streaming Excel reader using Apache POI. Prior to xlsx-streamer 2.1.0, the XML parser that was used did apply all the necessary settings to prevent XML Entity Expansion issues. Upgrade to version 2.1.0 to receive a patch. There is no known workaround.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Excel-Streaming-Reader 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Excel-Streaming-Reader是一个使用 Apache POI 的流式 Excel 阅读器。 Excel-Streaming-Reader 2.1.0之前版本存在代码问题漏洞，该漏洞源于软件所使用的XML解析器缺少了某些必要的设置，导致XML实体扩展问题。
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
monitorjbl excel-streaming-reader < 2.1.0 -

II. Public POCs for CVE-2022-23640

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III. Intelligence Information for CVE-2022-23640

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Patches & Fixes for CVE-2022-23640 (1)

Vendor Advisories for CVE-2022-23640 (1)

IV. Related Vulnerabilities

Same weakness: CWE-611

V. Comments for CVE-2022-23640

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