CVE-2023-41542 in jeecg-boot
Summary
by MITRE • 12/30/2023
SQL injection vulnerability in jeecg-boot version 3.5.3, allows remote attackers to escalate privileges and obtain sensitive information via the jmreport/qurestSql component.
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Analysis
by VulDB Data Team • 09/03/2024
The CVE-2023-41542 vulnerability represents a critical SQL injection flaw within the jeecg-boot framework version 3.5.3 that fundamentally undermines the application's data integrity and security posture. This vulnerability specifically affects the jmreport/qurestSql component, which serves as a reporting mechanism within the platform. The flaw arises from insufficient input validation and sanitization of user-supplied parameters that are directly incorporated into SQL query construction without proper escaping or parameterization. Attackers can exploit this weakness by crafting malicious SQL payloads through the vulnerable endpoint, potentially gaining unauthorized access to the underlying database infrastructure.
The technical implementation of this vulnerability stems from improper handling of dynamic SQL queries where user inputs are concatenated directly into SQL statements rather than being properly parameterized. This design flaw aligns with CWE-89, which categorizes SQL injection as a common vulnerability resulting from inadequate input validation and improper query construction. The vulnerability exists because the jeecg-boot framework fails to implement proper input sanitization mechanisms or use prepared statements when processing report queries. When an attacker submits malicious input through the jmreport/qurestSql endpoint, the application processes this data without adequate filtering, allowing the injected SQL commands to execute with the privileges of the database user account.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to escalate privileges and execute arbitrary database operations. Successful exploitation could allow unauthorized users to extract sensitive information including user credentials, personal data, financial records, and system configurations. The vulnerability's remote nature means attackers do not require physical access to the system, making it particularly dangerous for web applications. Additionally, the privilege escalation capability suggests that even low-privilege attackers might be able to elevate their access level within the database, potentially gaining administrative rights or access to restricted data sets. This vulnerability directly maps to ATT&CK technique T1213.002, which covers data from information repositories, and T1078.004, which addresses valid accounts with elevated privileges.
Mitigation strategies for CVE-2023-41542 must address both immediate remediation and long-term architectural improvements. Organizations should immediately upgrade to a patched version of jeecg-boot that implements proper input validation and parameterized queries. The fix should enforce strict input sanitization protocols, implement prepared statements for all database interactions, and establish proper access controls for reporting components. Security teams should also implement web application firewalls to detect and block suspicious SQL injection patterns, while conducting thorough code reviews to identify similar vulnerabilities in other components. Additionally, database access should be restricted through proper privilege management, ensuring that applications use least-privilege accounts with minimal necessary permissions. Regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to prevent similar issues from emerging in future releases. The remediation process must also include comprehensive logging and monitoring of database activities to detect potential exploitation attempts and maintain audit trails for forensic analysis.