CVE-2006-3148 in Open-Realty
Summary
by MITRE
SQL injection vulnerability, possibly in search.inc.php, in Open-Realty 2.3.1 allows remote attackers to execute arbitrary SQL commands via the sorttype parameter to index.php.
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Analysis
by VulDB Data Team • 07/29/2018
The vulnerability identified as CVE-2006-3148 represents a critical sql injection flaw within the Open-Realty 2.3.1 web application, specifically affecting the search functionality implemented in search.inc.php. This vulnerability resides within the index.php script where the sorttype parameter is processed without adequate input validation or sanitization, creating an exploitable condition that allows remote attackers to inject malicious sql commands directly into the application's database layer. The flaw stems from insufficient parameter handling where user-supplied data flows directly into sql query construction without proper escaping or parameterization techniques, making it susceptible to manipulation by malicious actors who can craft specially crafted sorttype values to alter the intended sql execution flow.
The technical exploitation of this vulnerability follows a well-established sql injection attack pattern where an attacker manipulates the sorttype parameter to inject sql payload commands that can execute arbitrary sql statements on the underlying database server. This occurs because the application fails to implement proper input sanitization measures, specifically failing to escape special sql characters or utilize prepared statements that would separate sql command structure from data input. The vulnerability is classified under CWE-89, which specifically addresses sql injection flaws, and aligns with ATT&CK technique T1190, which covers exploiting vulnerabilities in web applications through sql injection attacks. Attackers can leverage this weakness to perform unauthorized data access, modification, or deletion operations, potentially gaining complete control over the application's database contents and compromising sensitive user information stored within the Open-Realty system.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could enable attackers to escalate privileges, modify application behavior, or even establish persistent backdoors within the web application environment. Remote attackers can execute commands that may allow them to retrieve administrative credentials, modify property listings, access user accounts, or manipulate the entire real estate database structure. The vulnerability's remote nature means that attackers do not require local system access or physical proximity to exploit the flaw, making it particularly dangerous for web applications that handle sensitive real estate data. This exposure creates significant risk for real estate brokers and property management companies that rely on Open-Realty for their online listing systems, as the compromise could lead to unauthorized property modifications, data breaches, or complete application takeover scenarios.
Mitigation strategies for CVE-2006-3148 require immediate implementation of proper input validation and parameter sanitization techniques within the affected Open-Realty application. The most effective approach involves implementing prepared statements or parameterized queries that separate sql command structure from user input data, ensuring that malicious payloads cannot alter the intended sql execution path. Additionally, developers should implement strict input validation on the sorttype parameter, rejecting any values that contain sql special characters or patterns that could indicate injection attempts. The application should also implement proper error handling that does not expose internal database information to end users, as such exposure could aid attackers in crafting more sophisticated exploitation attempts. Organizations should also consider implementing web application firewalls that can detect and block sql injection patterns, though the most reliable solution remains the immediate patching of the application code to address the root cause of the vulnerability. Regular security audits and code reviews should be conducted to identify similar input validation gaps that could potentially lead to other injection vulnerabilities within the application ecosystem.