CVE-2006-6859 in Click N Print Coupons
Summary
by MITRE
SQL injection vulnerability in coupon_detail.asp in Website Designs For Less Click N Print Coupons 2005.01 and earlier allows remote attackers to execute arbitrary SQL commands via the key parameter.
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Analysis
by VulDB Data Team • 08/15/2024
The vulnerability identified as CVE-2006-6859 represents a critical SQL injection flaw within the coupon_detail.asp component of Website Designs For Less Click N Print Coupons version 2005.01 and earlier. This vulnerability exposes the application to remote code execution attacks through improper input validation mechanisms. The flaw specifically occurs when the application processes the key parameter without adequate sanitization or parameterization, creating an exploitable pathway for malicious actors to inject arbitrary SQL commands into the backend database query execution engine. The vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is directly incorporated into SQL command strings without proper escaping or parameterization techniques.
The technical exploitation of this vulnerability enables attackers to manipulate the underlying database queries through the key parameter, potentially allowing them to extract sensitive information, modify database records, or even execute administrative commands on the database server. The attack vector is particularly concerning as it operates entirely over network communication without requiring any local system access or privileged credentials. Remote attackers can construct malicious SQL payloads that bypass authentication mechanisms and directly interact with the database backend, potentially compromising the entire database infrastructure. This type of vulnerability demonstrates a fundamental flaw in input handling and demonstrates the importance of implementing proper database query parameterization techniques as outlined in industry best practices for secure coding.
The operational impact of this vulnerability extends beyond simple data compromise, as successful exploitation could result in complete database takeover, data exfiltration, and potential service disruption for the affected organization. The vulnerability affects the core functionality of the coupon management system, potentially exposing customer information, coupon details, and other sensitive data stored within the database. Organizations utilizing this software version face significant risk of unauthorized data access and potential regulatory compliance violations. The attack surface is particularly wide given that the vulnerability exists in a web application component that likely handles user input for coupon details and redemption processes. This vulnerability aligns with ATT&CK technique T1190, which covers exploitation of remote services through SQL injection attacks, demonstrating how attackers can leverage application weaknesses to gain unauthorized access to database systems.
Mitigation strategies for this vulnerability require immediate implementation of input validation and parameterization measures within the coupon_detail.asp application. The most effective remediation involves implementing proper parameterized queries or prepared statements that separate SQL command structure from data values, preventing malicious input from being interpreted as executable SQL code. Organizations should also implement proper input sanitization techniques, including character encoding and validation of all user-supplied parameters. Additionally, application-level firewall rules and web application firewalls can provide additional layers of protection by monitoring and filtering suspicious SQL injection patterns. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities throughout the application codebase. The vulnerability also highlights the importance of maintaining up-to-date software versions and implementing proper security patches, as this issue was resolved in subsequent versions of the software. Network segmentation and database access controls should be implemented to limit the potential impact of successful exploitation attempts. Organizations should also establish proper monitoring and logging mechanisms to detect and respond to potential exploitation attempts targeting this vulnerability.