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CVE-2024-56140— Bypass of CSRF Middleware in Astro

Quick assessment

Affected
withastro astro
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.

Astro是Astro开源的一个内容驱动网站的 web 框架。 Astro 4.16.16及之前版本存在跨站请求伪造漏洞，该漏洞源于跨站请求伪造保护中间件的缺陷，允许请求绕过CSRF检查，导致容易受到跨站请求伪造攻击。

CVSS 5.9 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-56140

Vulnerability Information
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Vulnerability Title
Bypass of CSRF Middleware in Astro
Source: CVE Program / CVE List V5
Vulnerability Description
Astro is a web framework for content-driven websites. In affected versions a bug in Astro’s CSRF-protection middleware allows requests to bypass CSRF checks. When the `security.checkOrigin` configuration option is set to `true`, Astro middleware will perform a CSRF check. However, a vulnerability exists that can bypass this security. A semicolon-delimited parameter is allowed after the type in `Content-Type`. Web browsers will treat a `Content-Type` such as `application/x-www-form-urlencoded; abc` as a `simple request` and will not perform preflight validation. In this case, CSRF is not blocked as expected. Additionally, the `Content-Type` header is not required for a request. This issue has been addressed in version 4.16.17 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Astro 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Astro是Astro开源的一个内容驱动网站的 web 框架。 Astro 4.16.16及之前版本存在跨站请求伪造漏洞，该漏洞源于跨站请求伪造保护中间件的缺陷，允许请求绕过CSRF检查，导致容易受到跨站请求伪造攻击。
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
withastro astro < 4.16.17 -

II. Public POCs for CVE-2024-56140

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III. Intelligence Information for CVE-2024-56140

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Patches & Fixes for CVE-2024-56140 (2)

Vendor Advisories for CVE-2024-56140 (1)

News Coverage for CVE-2024-56140 (1)

IV. Related Vulnerabilities

Same product: astro
Same vendor: withastro
Same weakness: CWE-352

V. Comments for CVE-2024-56140

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