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CVE-2024-10491— Preload arbitrary resources by injecting additional `Link` headers

Quick assessment

Affected
express express
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.

Express.js是expressjs开源的一个 Node.js 的快速、无限制、极简的 web 框架。 Express.js 3.21.2及之前版本存在安全漏洞，该漏洞源于response.links函数使用未经审核的数据时，可在Link标头中注入任意资源。

CVSS 4.0 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2024-10491

Vulnerability Information
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Vulnerability Title
Preload arbitrary resources by injecting additional `Link` headers
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in the Express response.links function, allowing for arbitrary resource injection in the Link header when unsanitized data is used. The issue arises from improper sanitization in `Link` header values, which can allow a combination of characters like `,`, `;`, and `<>` to preload malicious resources. This vulnerability is especially relevant for dynamic parameters.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Express.js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Express.js是expressjs开源的一个 Node.js 的快速、无限制、极简的 web 框架。 Express.js 3.21.2及之前版本存在安全漏洞，该漏洞源于response.links函数使用未经审核的数据时，可在Link标头中注入任意资源。
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
express express 3.0.0-alpha1 ~ 3.21.2 -

II. Public POCs for CVE-2024-10491

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III. Intelligence Information for CVE-2024-10491

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News Coverage for CVE-2024-10491 (1)

IV. Related Vulnerabilities

Same product: express
Same weakness: CWE-74

V. Comments for CVE-2024-10491

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