CVE-2022-25894: Remote Code Execution in com.bstek.uflo:uflo-core
Summary
CVE-2022-25894: Remote Code Execution in com.bstek.uflo:uflo-core. Affects com.bstek.uflo:uflo-core versions < 2.1.5. No fix is published. How to fix ↓
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Background
The com.bstek.uflo:uflo-core package is an open-source library used for workflow management in Java applications. It provides functionality for defining and executing workflows. The vulnerability exists in the ExpressionContextImpl class, specifically in the jexl.createExpression(expression).evaluate(context) functionality. This vulnerability allows for remote code execution (RCE) due to improper user input validation.
Vulnerability Detail
The vulnerability in com.bstek.uflo:uflo-core allows an attacker to execute arbitrary code remotely. By exploiting the ExpressionContextImpl class, an attacker can inject malicious code through the expression parameter. This code will then be evaluated by the jexl.createExpression() method, leading to the execution of the attacker's code within the context of the application. This can result in unauthorized access, data breaches, or complete compromise of the affected system.
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 and sanitization mechanisms to mitigate the risk of code injection. This can involve using regular expressions or predefined whitelists to restrict the allowed input to safe values. It is important to thoroughly review and test any input validation mechanisms to ensure they effectively prevent code injection.
Conclusion
The com.bstek.uflo:uflo-core package is vulnerable to remote code execution (RCE) due to improper user input validation. To mitigate this vulnerability, it is recommended to update to version 2.1.6 or later and implement input validation mechanisms. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
com.bstek.uflo:uflo-core is an open-source library used for workflow management in Java applications. It provides functionality for defining and executing workflows.
This vulnerability allows for remote code execution, which can lead to unauthorized access, data breaches, or complete compromise of the affected system.
To fix this vulnerability, update the com.bstek.uflo:uflo-core package to version 2.1.6 or later. Additionally, implement input validation and sanitization mechanisms to prevent code injection.
As a temporary workaround, implement input validation and sanitization mechanisms to mitigate the risk of code injection.
For more information about this vulnerability, refer to the CVE-2022-25894 advisory or contact the package maintainers.
