CVE-2005-1602 in File Manager
Summary
by MITRE
SQL injection vulnerability in login.asp for Net56 Browser Based File Manager 1.0 allows remote attackers to execute arbitrary SQL commands and bypass authentication via the password field.
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Analysis
by VulDB Data Team • 07/25/2017
The vulnerability identified as CVE-2005-1602 represents a critical SQL injection flaw within the Net56 Browser Based File Manager version 1.0, specifically affecting the login.asp component. This weakness resides in the application's handling of user input through the password field, creating an exploitable pathway for malicious actors to manipulate the underlying database queries. The vulnerability stems from insufficient input validation and sanitization mechanisms that fail to properly escape or filter special characters that could alter the intended SQL command structure. According to the CWE taxonomy, this corresponds to CWE-89: Improper Neutralization of Special Elements used in an SQL Command, which is classified as a high-severity weakness due to its potential for unauthorized data access and system compromise. The attack vector is remote, meaning that adversaries can exploit this vulnerability without requiring physical access to the target system, making it particularly dangerous in networked environments.
The technical implementation of this vulnerability allows attackers to inject malicious SQL code through the password field during the authentication process. When a user submits a login request, the application concatenates the provided password directly into a SQL query without proper sanitization, enabling an attacker to manipulate the query execution flow. This injection can occur by appending SQL syntax such as single quotes, semicolons, or conditional statements that alter the intended query logic. Successful exploitation can result in authentication bypass, where malicious input causes the database to return true for any password, effectively granting unauthorized access to the file manager. Additionally, attackers can execute arbitrary SQL commands, potentially allowing them to extract sensitive data, modify database contents, or even escalate privileges within the system. The ATT&CK framework categorizes this as a SQL Injection technique under the T1190: Exploit Public-Facing Application tactic, where adversaries leverage vulnerabilities in web applications to gain unauthorized access.
The operational impact of CVE-2005-1602 extends beyond simple authentication bypass, as it creates a persistent security risk for any organization utilizing the vulnerable Net56 Browser Based File Manager. The vulnerability enables attackers to potentially access, modify, or delete files stored within the system, compromising the integrity and confidentiality of stored data. Organizations may face significant consequences including data breaches, unauthorized system access, and potential lateral movement within their network infrastructure. The vulnerability's remote nature means that attackers can exploit it from anywhere on the internet, increasing the attack surface and making it particularly attractive to threat actors. System administrators may also experience unauthorized access to sensitive administrative functions, potentially leading to complete system compromise. Furthermore, the vulnerability represents a critical weakness in the application's security posture, as it directly undermines the fundamental authentication mechanisms designed to protect access to the file management system.
Mitigation strategies for CVE-2005-1602 should prioritize immediate remediation through input validation and parameterized queries implementation. Organizations must ensure that all user inputs, particularly those used in database queries, are properly sanitized and validated before processing. The implementation of prepared statements or parameterized queries effectively prevents SQL injection by separating the SQL command structure from the input data, ensuring that user input cannot alter the intended query execution. Additionally, web application firewalls and intrusion detection systems should be deployed to monitor for suspicious SQL injection patterns in network traffic. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities within the application codebase, while access controls and authentication mechanisms should be strengthened to limit potential damage from successful exploitation attempts. The remediation process should also include updating the vulnerable software to a patched version or migrating to a more secure file management solution that implements proper security controls against SQL injection attacks.