Path Traversal Vulnerability in libspring-java Package
Summary
CVE-2025-41242: Spring Framework MVC applications can be vulnerable to a “Path Traversal Vulnerability” when deployed on a non-compliant Servlet container. Affects libspring-java versions 4.3.30-1 – 4.3.30-3. No fix is published. How to fix ↓
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Background
The libspring-java package is a core component of the Spring Framework, widely used for building Java applications, particularly those that utilize the Model-View-Controller (MVC) architecture. It provides essential features for web applications, including resource handling and integration with various servlet containers. However, when deployed on non-compliant servlet containers, it can be susceptible to a path traversal vulnerability, which may expose sensitive files or directories to unauthorized access.
Vulnerability Detail
The vulnerability arises when Spring Framework MVC applications are deployed as WAR files or with embedded servlet containers that do not properly handle URI path canonicalization. If the servlet container fails to reject suspicious sequences in the URI, attackers may exploit this weakness to access restricted files on the server. This can lead to unauthorized information disclosure, potentially compromising the security of the application and its data.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, ensure that your application is deployed on compliant servlet containers such as Apache Tomcat or Eclipse Jetty, with default security features enabled. This can help mitigate the risk of exploitation until a proper fix is applied.
Conclusion
The path traversal vulnerability in the libspring-java package poses a significant risk to applications deployed on non-compliant servlet containers. It is crucial to upgrade to a patched version of the package and to implement recommended workarounds to safeguard against potential exploitation. Regular monitoring and updates are essential for maintaining application security.
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FAQ
A path traversal vulnerability allows an attacker to access files and directories that are stored outside the intended directory, potentially leading to unauthorized access to sensitive information.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By simply uploading your manifest file like package-lock.json, you can check if your application is affected by this vulnerability.
If exploited, this vulnerability can lead to unauthorized access to sensitive files, data breaches, and compromise the overall security of the application.
Yes, ensure to update to the latest version of libspring-java that has been patched for this vulnerability. Always check the official repository for the most recent updates.
If an immediate upgrade is not possible, deploy your application on compliant servlet containers and ensure that default security features are enabled to mitigate risks.
References
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