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CVE-2024-23340— @hono/node-server can't handle "double dots" in URL

Quick assessment

Affected
honojs node-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.

node-server是一个适配器，允许用户在 Node.js 上运行 Hono 应用程序。 node-server 1.3.0版本至1.4.1之前版本存在路径遍历漏洞，该漏洞源于无法解析URL中的双点。

CVSS 5.3 · Medium EPSS 0.72% · P52

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2024-23340

Vulnerability Information
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Vulnerability Title
@hono/node-server can't handle "double dots" in URL
Source: CVE Program / CVE List V5
Vulnerability Description
@hono/node-server is an adapter that allows users to run Hono applications on Node.js. Since v1.3.0, @hono/node-server has used its own Request object with `url` behavior that is unexpected. In the standard API, if the URL contains `..`, here called "double dots", the URL string returned by Request will be in the resolved path. However, the `url` in @hono/node-server's Request as does not resolve double dots, so `http://localhost/static/.. /foo.txt` is returned. This causes vulnerabilities when using `serveStatic`. Modern web browsers and a latest `curl` command resolve double dots on the client side, so this issue doesn't affect those using either of those tools. However, problems may occur if accessed by a client that does not resolve them. Version 1.4.1 includes the change to fix this issue. As a workaround, don't use `serveStatic`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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
node-server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
node-server是一个适配器，允许用户在 Node.js 上运行 Hono 应用程序。 node-server 1.3.0版本至1.4.1之前版本存在路径遍历漏洞，该漏洞源于无法解析URL中的双点。
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
honojs node-server >= 1.3.0, < 1.4.1 -

II. Public POCs for CVE-2024-23340

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III. Intelligence Information for CVE-2024-23340

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Patches & Fixes for CVE-2024-23340 (1)

Vendor Advisories for CVE-2024-23340 (1)

Other References for CVE-2024-23340 (1)

IV. Related Vulnerabilities

Same product: node-server
Same vendor: honojs
Same weakness: CWE-22

V. Comments for CVE-2024-23340

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