CVE-2018-18805 in PointOfSales
Summary
by MITRE
PointOfSales 1.0 allows SQL injection via the login screen, related to LoginForm1.vb.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 08/02/2025
The vulnerability identified as CVE-2018-18805 represents a critical sql injection flaw in PointOfSales 1.0 software that directly impacts the authentication mechanism through its login screen. This vulnerability specifically affects the LoginForm1.vb component which handles user credential validation, creating an attack surface where malicious actors can manipulate database queries through improperly sanitized input fields. The flaw exists because the application fails to implement proper input validation and parameterized queries when processing login credentials, allowing attackers to inject malicious sql commands that can bypass authentication mechanisms and potentially gain unauthorized access to the underlying database system.
This vulnerability falls under the common weakness enumeration CWE-89 which categorizes sql injection as a serious security flaw that occurs when user input is directly incorporated into sql queries without proper sanitization or parameterization. The attack vector is particularly dangerous as it targets the login screen which serves as the primary entry point for legitimate users while simultaneously providing an opportunity for attackers to exploit the system. The vulnerability demonstrates poor input validation practices and lacks proper sanitization of user-supplied data, enabling attackers to manipulate the sql query execution flow through crafted malicious input in the username or password fields.
The operational impact of this vulnerability extends beyond simple authentication bypass, as successful exploitation can lead to complete database compromise including data theft, unauthorized modifications to customer information, transaction records, and potentially sensitive business data. Attackers could leverage this vulnerability to extract confidential information from the PointOfSales database, modify customer records, or even escalate privileges within the application environment. The vulnerability also poses risks to data integrity and system availability, as malicious actors might attempt to corrupt database structures or execute destructive sql commands that could impact business operations. Organizations relying on this PointOfSales system face significant exposure to financial loss, regulatory compliance violations, and reputational damage if this vulnerability remains unpatched.
Mitigation strategies for CVE-2018-18805 must focus on implementing proper input validation and parameterized queries throughout the application codebase, particularly in the LoginForm1.vb component. Security measures should include input sanitization, strict validation of all user-supplied data, and implementation of prepared statements or parameterized queries to prevent sql injection attacks. Organizations should also consider implementing web application firewalls, database activity monitoring, and regular security code reviews to identify similar vulnerabilities across the application. Additionally, the system should enforce strong authentication controls, implement account lockout mechanisms, and conduct regular penetration testing to verify the effectiveness of implemented security measures. The vulnerability aligns with attack techniques documented in the attack pattern taxonomy under the category of sql injection attacks and requires immediate remediation to prevent exploitation by threat actors targeting retail and point-of-sale systems.