CVE-2022-32012 in Complete Online Job Search System
Summary
by MITRE • 06/02/2022
Complete Online Job Search System v1.0 is vulnerable to SQL Injection via /eris/admin/employee/index.php?view=edit&id=.
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Analysis
by VulDB Data Team • 06/05/2022
The Complete Online Job Search System version 1.0 presents a critical security vulnerability through its administrative employee management interface that allows unauthorized users to execute malicious SQL commands. This vulnerability exists within the specific endpoint /eris/admin/employee/index.php when processing the view=edit&id= parameters, creating a direct pathway for attackers to manipulate database queries through crafted input values. The flaw represents a classic SQL injection vulnerability that enables malicious actors to bypass authentication mechanisms, extract sensitive data, modify database records, or potentially gain complete administrative control over the system's backend infrastructure.
The technical implementation of this vulnerability stems from insufficient input validation and parameter sanitization within the application's database interaction layer. When the application processes the id parameter in the edit view context, it fails to properly escape or parameterize user-supplied input before incorporating it into SQL query structures. This allows attackers to inject malicious SQL fragments that alter the intended query execution flow. The vulnerability operates at the application layer and specifically targets the database communication interface, making it particularly dangerous as it can be exploited without requiring elevated privileges or specialized tools beyond basic web exploitation techniques. The CWE-89 classification applies directly to this vulnerability, as it represents an improper neutralization of special elements used in an SQL command.
The operational impact of this vulnerability extends far beyond simple data theft, encompassing complete system compromise and potential data breaches that could affect thousands of job seekers and employers using the platform. Attackers could exploit this weakness to extract confidential information including user credentials, personal identification details, employment records, and other sensitive data stored within the database. The vulnerability also enables privilege escalation attacks where unauthorized users might gain administrative access to the system, allowing them to modify system configurations, add malicious users, or completely disable security controls. Additionally, the compromised system could serve as a launching point for further attacks against network infrastructure or as a staging area for data exfiltration operations. This vulnerability directly maps to attack techniques described in the MITRE ATT&CK framework under the T1190 and T1071.101 sub-techniques, which cover exploitation of remote services and application layer protocols respectively.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and parameterized query execution throughout the application's database interaction components. The system should employ prepared statements or parameterized queries to ensure that user input is never directly incorporated into SQL command structures. Additionally, implementing proper input sanitization measures, including character encoding and length restrictions on all user-supplied parameters, will significantly reduce exploitation potential. The application should also implement robust access controls and authentication mechanisms to limit administrative access to authorized personnel only, while maintaining comprehensive audit logging to detect suspicious activities. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the application's codebase, and developers should follow secure coding practices such as those outlined in the OWASP Top Ten and CERT Secure Coding Standards to prevent future occurrences of this type of vulnerability.