CVE-2006-7057 in Sphider
Summary
by MITRE
SQL injection vulnerability in search.php in Sphider before 1.3.1c allows remote attackers to execute arbitrary SQL commands via the category parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information. NOTE: this issue might be primary to CVE-2006-2506.2.
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Analysis
by VulDB Data Team • 08/20/2018
The vulnerability described in CVE-2006-7057 represents a critical SQL injection flaw within the Sphider search application version 1.3.1c and earlier. This vulnerability specifically targets the search.php script and affects the category parameter, creating an exploitable condition that allows remote attackers to inject malicious SQL commands directly into the database query execution flow. The issue stems from insufficient input validation and sanitization mechanisms within the application's search functionality, where user-supplied parameters are directly incorporated into SQL queries without proper escaping or parameterization.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through the category parameter in the search.php script. The application fails to properly filter or escape special SQL characters and commands, enabling attackers to manipulate the underlying database query structure. This allows for unauthorized data extraction, modification, or deletion operations against the database backend. The vulnerability falls under the CWE-89 category of SQL Injection, which is classified as a critical weakness in software applications that handle database queries. The attack vector is entirely remote, meaning no local system access is required, making it particularly dangerous for web applications exposed to public networks.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete database compromise and potential system takeover. Attackers can leverage this vulnerability to extract sensitive information from the database, including user credentials, personal data, and application configuration details. Additionally, the attacker may be able to modify or delete database records, potentially causing data integrity issues and application disruption. The vulnerability's remote nature means that any user with access to the affected web application can exploit this flaw, creating a significant risk for organizations that deploy Sphider without proper security hardening.
Security mitigations for this vulnerability should focus on implementing proper input validation and parameterized queries. The most effective approach involves using prepared statements or parameterized queries that separate SQL command structure from user input data. Additionally, implementing proper input sanitization techniques and escaping special characters can prevent malicious SQL code from being executed. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious query patterns. The vulnerability aligns with ATT&CK technique T1190 for exploit public-facing application, and T1071.004 for application layer protocol, highlighting the need for comprehensive network security measures. Regular security updates and patch management are essential, as this vulnerability was addressed in Sphider version 1.3.1c, demonstrating the importance of keeping web applications current with security patches.