CVE-2023-23936— CRLF Injection in Nodejs ‘undici’ via host
Quick assessment
Affected
nodejs undici
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.
undici是一个HTTP/1.1客户端。 undici 2.0.0版本至5.19.1之前版本存在安全漏洞，该漏洞源于容易受到CRLF注入漏洞的影响。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-23936
Vulnerability Information
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Vulnerability Title
CRLF Injection in Nodejs ‘undici’ via host
Source: CVE Program / CVE List V5
Vulnerability Description
Undici is an HTTP/1.1 client for Node.js. Starting with version 2.0.0 and prior to version 5.19.1, the undici library does not protect `host` HTTP header from CRLF injection vulnerabilities. This issue is patched in Undici v5.19.1. As a workaround, sanitize the `headers.host` string before passing to undici.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
Vulnerability Title
undici 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
undici是一个HTTP/1.1客户端。 undici 2.0.0版本至5.19.1之前版本存在安全漏洞，该漏洞源于容易受到CRLF注入漏洞的影响。
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
II. Public POCs for CVE-2023-23936
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Patches & Fixes for CVE-2023-23936 (1)
Vendor Advisories for CVE-2023-23936 (1)
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https://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff x_refsource_CONFIRM
Other References for CVE-2023-23936 (2)
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https://hackerone.com/reports/1820955 x_refsource_MISC
-
https://github.com/nodejs/undici/releases/tag/v5.19.1 x_refsource_MISC
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V. Comments for CVE-2023-23936
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