CVE-2022-28006 in Attendance and Payroll System
Summary
by MITRE • 04/22/2022
Attendance and Payroll System v1.0 was discovered to contain a SQL injection vulnerability via the component \admin\employee_delete.php.
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Analysis
by VulDB Data Team • 04/28/2022
The CVE-2022-28006 vulnerability represents a critical SQL injection flaw within the Attendance and Payroll System version 1.0, specifically targeting the administrative employee deletion functionality. This vulnerability exists within the admin\employee_delete.php component, which serves as a critical interface for managing employee records within the payroll system. The flaw allows unauthorized attackers to inject malicious SQL commands through input parameters, potentially compromising the entire database infrastructure. The vulnerability stems from inadequate input validation and sanitization practices within the application's backend processing logic, where user-supplied data is directly incorporated into SQL queries without proper escaping or parameterization mechanisms.
The technical exploitation of this vulnerability occurs when an attacker manipulates input fields within the employee deletion interface to inject malicious SQL code. This injection can occur through various vectors including direct parameter manipulation, cookie tampering, or header manipulation depending on how the application processes user inputs. The vulnerability maps directly to CWE-89 which categorizes SQL injection as a weakness where untrusted data is incorporated into SQL commands without proper validation or escaping. Attackers can leverage this flaw to execute arbitrary database commands, potentially gaining read access to sensitive employee payroll data, personal identification information, or even escalate privileges within the database environment. The impact extends beyond simple data theft as attackers can modify or delete employee records, disrupt payroll processing, or establish persistent access points within the organization's infrastructure.
From an operational perspective, this vulnerability poses severe risks to organizations utilizing the Attendance and Payroll System v1.0, particularly those handling sensitive employee data including personal identification numbers, salary information, and attendance records. The exploitation of this vulnerability aligns with ATT&CK technique T1071.005 which covers application layer protocol manipulation, and T1190 which addresses exploitation of remote services. Organizations may face regulatory compliance violations under data protection laws such as gdpr, ccpa, or other regional privacy regulations due to unauthorized access to personal employee data. The vulnerability can lead to significant financial losses through payroll manipulation, identity theft, or operational disruption. Additionally, the compromise of payroll systems can result in reputational damage and potential legal consequences, as attackers might use the stolen data for fraudulent purposes or to conduct further targeted attacks against the organization.
Effective mitigation strategies for CVE-2022-28006 require immediate implementation of proper input validation and parameterized queries within the admin\employee_delete.php component. Organizations should implement web application firewalls to detect and block malicious SQL injection attempts, while also applying the latest security patches provided by the vendor. Database access controls should be implemented to limit the privileges of database accounts used by the application, following the principle of least privilege. Regular security code reviews should be conducted to identify similar vulnerabilities in other components of the system, particularly focusing on areas where user input is processed in database queries. Network segmentation and monitoring should be enhanced to detect unusual database access patterns that may indicate exploitation attempts. The implementation of proper error handling mechanisms can prevent attackers from gaining information about the database structure through error messages, which aligns with security best practices outlined in owasp top ten and nist cybersecurity framework guidelines.