CVE-2024-46076 in RuoYi
Summary
by MITRE • 10/07/2024
RuoYi v4.7.9 and before has a security flaw that allows escaping from comments within the code generation feature, enabling the injection of malicious code.
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Analysis
by VulDB Data Team • 10/11/2024
The vulnerability identified as CVE-2024-46076 affects RuoYi versions 4.7.9 and earlier, presenting a critical security flaw within the code generation feature that enables unauthorized code injection through comment escaping mechanisms. This vulnerability resides in the application's code generation module where user input is processed without adequate sanitization, creating a pathway for attackers to bypass intended security controls. The flaw specifically exploits how the system handles comment delimiters and code generation templates, allowing malicious actors to inject arbitrary code that executes within the application's context.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the code generation engine. When users provide input for code generation, the system fails to properly escape or filter special characters that define comments within the generated code. This oversight creates a code injection vector where attackers can manipulate the template processing logic to inject malicious payloads that are subsequently executed during code generation. The vulnerability operates at the application layer and can be classified under CWE-94, which specifically addresses "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1059.006 for "Command and Scripting Interpreter: Python" when the injected code targets Python-based components.
The operational impact of this vulnerability is severe as it allows attackers to execute arbitrary code within the context of the application, potentially leading to complete system compromise. An attacker could leverage this vulnerability to gain unauthorized access to the underlying system, escalate privileges, or establish persistent backdoors. The vulnerability's exploitation requires minimal privileges since it targets the code generation functionality, which is typically accessible to authenticated users. This makes the attack surface broader as legitimate users with access to the code generation feature could inadvertently facilitate malicious code injection, or attackers could use this vulnerability to escalate from a low-privilege account to full system control.
Mitigation strategies for CVE-2024-46076 should focus on implementing robust input validation and sanitization mechanisms within the code generation module. Organizations should immediately update to RuoYi version 4.8.0 or later, which contains the necessary patches addressing this vulnerability. Additionally, administrators should implement strict access controls limiting code generation functionality to trusted users only, and consider implementing runtime code analysis to detect and prevent malicious code injection attempts. The solution should also incorporate proper escaping of special characters in code templates and implement a secure code generation framework that prevents comment escaping mechanisms from being exploited. Organizations should conduct thorough security assessments of their code generation processes and implement monitoring solutions to detect anomalous code generation activities that could indicate exploitation attempts. The vulnerability's remediation aligns with security best practices outlined in NIST SP 800-53 and ISO/IEC 27001 standards, particularly focusing on input validation controls and secure coding practices.