Denial of Service Vulnerability in libspring-java Package: CVE-2024-38828
Summary
UBUNTU-CVE-2024-38828: Spring MVC controller methods with an @RequestBody byte[] method parameter are vulnerable to a DoS attack. 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 several modules such as Spring MVC, Spring AOP, and Spring ORM, which facilitate various functionalities like dependency injection, aspect-oriented programming, and data access. This vulnerability affects specific versions of the package, making it susceptible to a Denial of Service (DoS) attack.
Vulnerability Detail
The vulnerability, identified as CVE-2024-38828, arises from Spring MVC controller methods that accept a byte[] method parameter annotated with @RequestBody. This design flaw allows an attacker to exploit the method by sending crafted requests that can lead to resource exhaustion, effectively causing the application to become unresponsive. The potential ramifications include service downtime and degraded performance, impacting user experience and application reliability.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, developers can implement input validation to restrict the size of the byte array being processed in the @RequestBody parameter. This can help mitigate the risk of resource exhaustion until the package is updated. Example code snippet:
@RequestMapping(value = "/your-endpoint", method = RequestMethod.POST) public ResponseEntity<?> handleRequest(@RequestBody byte[] data) {
if (data.length > MAX_ALLOWED_SIZE) {
return ResponseEntity.badRequest().body("Payload too large");
}
// Process the data
}
Conclusion
The CVE-2024-38828 vulnerability poses a significant risk to applications using the libspring-java package, particularly those that handle byte array inputs in Spring MVC. It is crucial for developers to update their packages to the latest patched versions to mitigate this risk and ensure application stability.
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FAQ
CVE-2024-38828 is a vulnerability in the libspring-java package that allows for Denial of Service attacks due to improper handling of byte array inputs in Spring MVC controller methods.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploiting this vulnerability can lead to service downtime and degraded performance, affecting user experience and application reliability.
You can update the libspring-java package using your package manager. For example, on Ubuntu, you can run 'sudo apt-get update' followed by 'sudo apt-get install libspring-java'.
Vulert is a platform that monitors and alerts in real-time for open-source vulnerabilities in software using just a manifest file like package-lock.json.
References
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