CVE-2002-1919 in VP-ASP
Summary
by MITRE
SQL injection vulnerability in shopadmin.asp in VP-ASP 4.0 allows remote attackers to execute arbitrary SQL commands and bypass authentication via the (1) username or (2) password fields.
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Analysis
by VulDB Data Team • 05/12/2019
This vulnerability exists in VP-ASP 4.0's shopadmin.asp component which handles administrative authentication processes. The flaw represents a classic sql injection weakness that allows remote attackers to manipulate database queries through carefully crafted input parameters. The vulnerability specifically affects the username and password fields during the authentication process, creating a path for unauthorized access to administrative functions.
The technical implementation of this vulnerability stems from improper input validation and query construction within the shopadmin.asp script. When user credentials are submitted, the application directly incorporates user-supplied values into sql query strings without adequate sanitization or parameterization. This allows attackers to inject malicious sql code that gets executed by the database engine, effectively bypassing authentication mechanisms and gaining administrative privileges.
From an operational perspective, this vulnerability poses significant risk to web applications running VP-ASP 4.0 as it enables complete compromise of administrative accounts. Attackers can leverage this weakness to execute arbitrary sql commands, potentially leading to data exfiltration, modification of sensitive information, or complete system takeover. The vulnerability is particularly dangerous because it operates at the database level, allowing for extensive lateral movement and data manipulation within the application's data store.
The impact of this vulnerability aligns with CWE-89 which categorizes sql injection flaws as critical security weaknesses in application code. This weakness is also tracked under ATT&CK technique T1190 which describes exploitation of vulnerabilities in web applications. The attack surface is broad since it affects any user input field that gets processed through sql queries without proper sanitization, making it a prime target for automated exploitation tools.
Mitigation strategies should focus on implementing proper input validation and parameterized queries throughout the application code. All user-supplied input must be sanitized and validated before being incorporated into sql statements. The recommended approach involves using prepared statements or parameterized queries that separate sql code from data, preventing malicious input from altering the intended query structure. Additionally, implementing proper access controls and authentication mechanisms, including account lockout policies, can help reduce the effectiveness of brute force attacks targeting this vulnerability. Regular security audits and input validation testing should be conducted to identify similar weaknesses in other application components.