CVE-2015-3253: Apache Groovy MethodClosure Remote Code Execution
Summary
CVE-2015-3253: Improper Neutralization of Special Elements in Output Used by a Downstream Component in Apache Groovy. Affects org.codehaus.groovy:groovy versions >= 1.7.0, < 2.4.4. Fixed in 2.4.4. How to fix ↓
Also tracked for
- groovy · Debian:11
The same CVE-2015-3253 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Apache Groovy is an open-source, dynamic programming language for the Java Virtual Machine (JVM). It offers seamless integration with Java and provides additional features such as scripting capabilities and simplified syntax. The MethodClosure class in Apache Groovy versions 1.7.0 through 2.4.3 is vulnerable to remote code execution or denial of service attacks. This vulnerability arises from improper neutralization of special elements in output used by a downstream component.
Vulnerability Detail
The MethodClosure class in Apache Groovy allows remote attackers to execute arbitrary code or cause a denial of service by exploiting a flaw in the deserialization process. By crafting a malicious serialized object, an attacker can trigger the execution of arbitrary code on the target system or disrupt its normal operation. This vulnerability poses a significant risk to applications that deserialize untrusted data, as it can lead to remote code execution and compromise the integrity and confidentiality of the affected system.
How To Fix
Minimum fixed version
2.4.4
This is the first release that contains the fix.
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Workaround
As a temporary workaround, developers can implement input validation and filtering mechanisms to prevent the deserialization of untrusted data. By carefully validating and sanitizing input before deserialization, the risk of exploitation can be mitigated. However, this workaround may not provide complete protection and should be considered a temporary measure until the underlying vulnerability is fixed.
Conclusion
The vulnerability in the MethodClosure class of Apache Groovy can lead to remote code execution or denial of service attacks. It is crucial for developers to upgrade to the latest version of Apache Groovy (2.4.4 or later) to mitigate this vulnerability. Implementing input validation and filtering mechanisms can provide temporary protection until the upgrade is performed. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
Apache Groovy is an open-source, dynamic programming language for the Java Virtual Machine (JVM). It offers seamless integration with Java and provides additional features such as scripting capabilities and simplified syntax.
The MethodClosure class in Apache Groovy is a closure that represents a method call. It allows developers to invoke methods dynamically and provides a convenient way to execute code.
The vulnerability in the MethodClosure class allows remote attackers to execute arbitrary code or cause a denial of service by exploiting a flaw in the deserialization process. This can lead to remote code execution and compromise the integrity and confidentiality of the affected system.
To fix the vulnerability, it is recommended to upgrade to Apache Groovy version 2.4.4 or later. This version includes a fix for the deserialization vulnerability in the MethodClosure class.
As a temporary workaround, developers can implement input validation and filtering mechanisms to prevent the deserialization of untrusted data. By carefully validating and sanitizing input before deserialization, the risk of exploitation can be mitigated.
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