CVE-2006-4524 in Freekot
Summary
by MITRE
Multiple SQL injection vulnerabilities in login_verif.asp in Digiappz Freekot 1.01 allow remote attackers to execute arbitrary SQL commands via the (1) login or (2) password parameters. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 08/12/2024
The vulnerability identified as CVE-2006-4524 represents a critical security flaw in the Digiappz Freekot 1.01 web application, specifically within the login_verif.asp component. This issue manifests as multiple SQL injection vulnerabilities that enable remote attackers to manipulate the application's database interactions through carefully crafted input parameters. The vulnerability affects the authentication mechanism of the application, making it particularly dangerous as it directly targets user login functionality. The flaw exists in how the application processes user credentials, specifically in the handling of the login and password parameters, which are not properly sanitized or validated before being incorporated into database queries.
The technical implementation of this vulnerability stems from the application's failure to employ proper input validation and parameterized queries when processing authentication requests. When users submit login credentials through the web interface, the login_verif.asp script directly incorporates user-supplied values into SQL command strings without adequate sanitization. This creates an environment where malicious actors can inject arbitrary SQL code through the login or password fields, effectively bypassing authentication mechanisms and gaining unauthorized access to the underlying database. The vulnerability is classified under CWE-89 as SQL injection, which represents a well-documented weakness in database interaction handling. This weakness allows attackers to manipulate the intended logic of database queries, potentially leading to complete database compromise.
The operational impact of this vulnerability extends beyond simple authentication bypass, as successful exploitation could result in unauthorized data access, modification, or deletion within the application's database. Attackers could extract sensitive user information, including usernames, passwords, and potentially personal data stored in the system. The remote nature of the attack means that exploitation does not require physical access to the system or network, making it particularly dangerous for web applications. Additionally, this vulnerability could serve as a stepping stone for further attacks, as compromised database access often provides attackers with information needed for privilege escalation or lateral movement within the network infrastructure. The vulnerability aligns with ATT&CK technique T1190 - Exploit Public-Facing Application, which describes how attackers target vulnerabilities in externally accessible applications to gain initial access to systems.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary fix involves implementing proper input validation and parameterized queries throughout the application's database interaction code. All user-supplied input should be sanitized and validated before being processed, with strict whitelisting of acceptable characters and lengths. The application should utilize prepared statements or parameterized queries to separate SQL command structure from data values, effectively preventing malicious SQL code injection. Additionally, implementing proper error handling that does not reveal database structure information to users is crucial. Organizations should also consider implementing web application firewalls, input filtering mechanisms, and regular security assessments to identify and remediate similar vulnerabilities. The vulnerability demonstrates the critical importance of following secure coding practices and adhering to industry standards such as the OWASP Top Ten, which consistently ranks SQL injection among the most critical web application security risks.