Denial-of-Service Vulnerability in libspring-java
Summary
CVE-2023-20863: In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition. Affects libspring-java versions >= 927b8c15ef20eaaa4002d4b2170cc536a6d6aa35, < 2ed1b6e6dda48ff0c74b67b39cba65676b5397b6. No fix is published. How to fix ↓
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Background
libspring-java is a package in the Debian ecosystem that provides the Spring Framework for Java applications. The Spring Framework is a popular open-source framework that simplifies the development of Java applications by providing a comprehensive programming and configuration model. It is widely used in enterprise applications and offers features such as dependency injection, aspect-oriented programming, and transaction management. However, libspring-java is vulnerable to a denial-of-service (DoS) attack that can be triggered by a specially crafted SpEL expression.
Vulnerability Detail
The vulnerability (CVE-2023-20863) exists in versions of libspring-java prior to 5.2.24 release+, 5.3.27+, and 6.0.8+. An attacker can exploit this vulnerability by providing a malicious SpEL (Spring Expression Language) expression. When the application evaluates this expression, it can lead to a DoS condition, causing the application to become unresponsive or crash. This vulnerability can be exploited remotely by an attacker with the ability to send requests to the targeted application.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading to the patched version of libspring-java.
Conclusion
The vulnerability (CVE-2023-20863) in libspring-java can lead to a denial-of-service (DoS) condition when a specially crafted SpEL expression is evaluated. To mitigate this vulnerability, it is recommended to upgrade to the latest patched version of libspring-java. Developers should promptly update their applications and perform thorough testing to ensure the security and stability of their systems. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
libspring-java is a package in the Debian ecosystem that provides the Spring Framework for Java applications. It simplifies the development of Java applications by offering a comprehensive programming and configuration model.
A denial-of-service attack is an attempt to make a computer system or network resource unavailable to its intended users by overwhelming the target with a flood of illegitimate requests or by exploiting vulnerabilities to cause the system to crash or become unresponsive.
An attacker can exploit this vulnerability by providing a specially crafted SpEL expression to the targeted application. When the application evaluates this expression, it can lead to a DoS condition, causing the application to become unresponsive or crash.
Yes, this vulnerability can be exploited remotely by an attacker with the ability to send requests to the targeted application.
No, there is no known workaround for this vulnerability. It is crucial to apply the recommended fix by upgrading to the patched version of libspring-java.
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