CVE-2024-38821

Overview

Spring Security is a powerful and highly customizable authentication and access-control framework for Java applications. It provides a range of security features that make it easier to secure enterprise applications.

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Authorization bypass of webFlux application’s static resources (CVE-2024-38821) has been identified in Spring Security, which could allow access to unauthorized files.

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This issue affects multiple versions of Spring Security.

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Details

Module Info

• Product: Spring Security
• Affected packages: spring-security-web
• Affected versions: <5.7.13, >=5.8.0 <5.8.15, >=6.0.0 <6.0.13, >=6.1.0 <6.1.11, >=6.2.0 <6.2.7, >=6.3.0 <6.3.4
• GitHub repository: https://github.com/spring-projects/spring-security
• Package manager: Maven
• Fixed in: NES for Spring Security v5.5.9, v5.7.14, v5.8.16

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Vulnerability Info

In certain cases, Spring WebFlux applications with Spring Security authorization rules on static resources may be vulnerable to authorization bypass.

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For this issue to affect an application, all of the following conditions must be met:

• The application must use WebFlux.
• It must leverage Spring’s static resources support.
• A non-permitAll authorization rule must be applied to the static resources.

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Steps To Reproduce

Our team will update these steps as soon as more is known.

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Mitigation

Spring Security 5.x versions are no longer community-supported. For more information, see here.

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Users of the affected components should apply one of the following mitigations:

• Upgrade affected applications to supported versions of Spring Security.
• Leverage a commercial support partner like HeroDevs for post-EOL security support.

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Credits

• Tkswifty
• d4y1ightl@gmail.com