CVE-2023-41543 in jeecg-boot
Summary
by MITRE • 12/30/2023
SQL injection vulnerability in jeecg-boot v3.5.3, allows remote attackers to escalate privileges and obtain sensitive information via the component /sys/replicate/check.
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Analysis
by VulDB Data Team • 12/30/2023
The CVE-2023-41543 vulnerability represents a critical sql injection flaw within the jeecg-boot framework version 3.5.3 that exposes organizations to significant security risks. This vulnerability specifically affects the /sys/replicate/check component which is designed to handle system replication checks and validation processes. The flaw arises from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into database queries. Attackers can exploit this weakness by crafting malicious sql payloads through the vulnerable endpoint, potentially gaining unauthorized access to sensitive system information and escalating their privileges within the application environment.
The technical implementation of this vulnerability stems from improper parameter handling within the jeecg-boot framework's replication checking functionality. When the /sys/replicate/check endpoint processes incoming requests, it fails to adequately sanitize input parameters that are directly used in sql query construction. This creates an environment where malicious actors can inject sql commands that bypass normal authentication mechanisms and execute arbitrary database operations. The vulnerability classification aligns with CWE-89 which specifically addresses sql injection weaknesses, and it demonstrates characteristics consistent with attack patterns documented in the mitre attack framework under techniques related to credential access and privilege escalation. The flaw essentially allows attackers to manipulate the underlying database queries through crafted input, potentially leading to unauthorized data access, modification, or deletion operations.
The operational impact of this vulnerability extends beyond simple data theft to encompass full system compromise and business disruption. Remote attackers who successfully exploit this vulnerability can access sensitive organizational data including user credentials, personal identifiable information, and business-critical records stored within the jeecg-boot application. The privilege escalation capability means that attackers can potentially elevate their access levels from standard user accounts to administrative privileges, enabling them to manipulate system configurations, modify user permissions, and gain control over the entire application infrastructure. This vulnerability particularly affects organizations using jeecg-boot v3.5.3 for enterprise resource planning, content management, or other critical business applications where data integrity and access control are paramount. The impact is amplified when considering that jeecg-boot is commonly used in government, healthcare, and financial sectors where regulatory compliance requirements mandate strict data protection measures.
Organizations affected by CVE-2023-41543 should implement immediate mitigations including input validation and output encoding for all parameters processed by the /sys/replicate/check endpoint. The recommended approach involves implementing proper parameterized queries or prepared statements to prevent sql injection attacks, along with comprehensive input sanitization techniques that filter or escape special characters before database interaction. Network-level protections such as web application firewalls should be deployed to monitor and block suspicious sql injection attempts targeting the vulnerable component. Additionally, organizations must conduct thorough code reviews to identify similar patterns throughout the jeecg-boot framework and other applications that might be susceptible to similar vulnerabilities. System administrators should also implement regular security updates and patches as provided by the jeecg-boot maintainers, while establishing monitoring protocols to detect unauthorized access attempts and potential exploitation activities. The vulnerability serves as a reminder of the critical importance of secure coding practices and proper input validation in preventing sql injection attacks that remain among the most prevalent and dangerous security threats in modern web applications.