Path Traversal Vulnerability in libspring-java Package: CVE-2024-38816
Summary
UBUNTU-CVE-2024-38816: Applications serving static resources through the functional web frameworks WebMvc.fn or WebFlux.fn are vulnerable to path traversal attacks. Affects libspring-java versions 3.0.6.RELEASE-10 – 3.0.6.RELEASE-9. No fix is published. How to fix ↓
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Background
The libspring-java package is a core component of the Spring Framework, which is widely used for building Java applications. It provides comprehensive infrastructure support for developing Java applications, including web applications. The package includes various modules such as Spring AOP, Spring Beans, Spring Context, and more, which facilitate dependency injection, aspect-oriented programming, and web application development. However, a critical vulnerability has been identified that affects applications using RouterFunctions to serve static resources, exposing them to potential path traversal attacks.
Vulnerability Detail
The vulnerability, identified as CVE-2024-38816, arises when applications serving static resources through the functional web frameworks WebMvc.fn or WebFlux.fn are improperly configured. An attacker can exploit this vulnerability by crafting malicious HTTP requests that allow them to access any file on the file system that the Spring application can access. This is particularly concerning when resource handling is configured with a FileSystemResource location. The vulnerability is mitigated if the Spring Security HTTP Firewall is in use or if the application runs on Tomcat or Jetty, which block such malicious requests.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, you can configure your application to use the Spring Security HTTP Firewall to block malicious requests. Additionally, avoid using FileSystemResource locations for serving static resources until the package is updated.
Conclusion
The CVE-2024-38816 vulnerability poses a significant risk to applications using the libspring-java package. It is crucial to update to the latest patched version to safeguard against potential path traversal attacks. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
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FAQ
CVE-2024-38816 is a path traversal vulnerability in the libspring-java package that allows attackers to access sensitive files on the server.
You can use Vulert, which monitors open-source vulnerabilities in your software. By uploading your manifest file, you can check for any vulnerabilities, including CVE-2024-38816.
If exploited, this vulnerability can lead to unauthorized access to sensitive files, potentially compromising the security of the application and the underlying system.
Yes, a patched version of the libspring-java package is available. It is recommended to update to the latest version to mitigate the risk.
If immediate updates are not possible, implement the Spring Security HTTP Firewall as a temporary measure to block malicious requests.
References
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