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CVE-2023-34036— Forwarded header exploit with Spring HATEOAS on WebFlux

Quick assessment

Affected
Spring Spring HATEOAS
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.

Spring Framework是美国Spring团队的一套开源的Java、JavaEE应用程序框架。该框架可帮助开发人员构建高质量的应用。 Spring HATEOAS 1.5.4 及之前版本、2.0.4 及之前版本、2.1.0版本存在安全漏洞，该漏洞源于使用 Spring HATEOAS 生成基于超媒体的响应的反应式 Web 应用程序可能会暴露于恶意转发标头。

CVSS 5.3 · Medium EPSS 0.47% · P39
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I. Basic Information for CVE-2023-34036

Vulnerability Information
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Vulnerability Title
Forwarded header exploit with Spring HATEOAS on WebFlux
Source: CVE Program / CVE List V5
Vulnerability Description
Reactive web applications that use Spring HATEOAS to produce hypermedia-based responses might be exposed to malicious forwarded headers if they are not behind a trusted proxy that ensures correctness of such headers, or if they don't have anything else in place to handle (and possibly discard) forwarded headers either in WebFlux or at the level of the underlying HTTP server. For the application to be affected, it needs to satisfy the following requirements: * It needs to use the reactive web stack (Spring WebFlux) and Spring HATEOAS to create links in hypermedia-based responses. * The application infrastructure does not guard against clients submitting (X-)Forwarded… headers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对HTTP头部进行脚本语法转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Spring HATEOAS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Spring Framework是美国Spring团队的一套开源的Java、JavaEE应用程序框架。该框架可帮助开发人员构建高质量的应用。 Spring HATEOAS 1.5.4 及之前版本、2.0.4 及之前版本、2.1.0版本存在安全漏洞，该漏洞源于使用 Spring HATEOAS 生成基于超媒体的响应的反应式 Web 应用程序可能会暴露于恶意转发标头。
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
Spring Spring HATEOAS 1.5.4 or older -

II. Public POCs for CVE-2023-34036

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III. Intelligence Information for CVE-2023-34036

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Other References for CVE-2023-34036 (1)

IV. Related Vulnerabilities

Same product: Spring HATEOAS
Same vendor: Spring
Same weakness: CWE-644

V. Comments for CVE-2023-34036

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