CVE-2005-4019 in Real Estate Commerce System
Summary
by MITRE
SQL injection vulnerability in index.php in Relative Real Estate Systems 1.02 and earlier allows remote attackers to execute arbitrary SQL commands via the mls parameter.
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Analysis
by VulDB Data Team • 11/22/2025
The vulnerability identified as CVE-2005-4019 represents a critical sql injection flaw within the Relative Real Estate Systems version 1.02 and earlier, specifically affecting the index.php script. This vulnerability manifests through the mls parameter which fails to properly validate or sanitize user input before incorporating it into sql query constructs. The absence of input sanitization creates an exploitable condition where malicious actors can inject arbitrary sql commands directly through the web interface, potentially compromising the entire database infrastructure.
This vulnerability falls under the common weakness enumeration category CWE-89, which specifically addresses sql injection vulnerabilities. The flaw represents a classic case of insufficient input validation where user-supplied data flows directly into database queries without proper sanitization or parameterization. The mls parameter in the index.php script serves as the attack vector, allowing remote threat actors to manipulate the underlying sql execution logic by injecting malicious sql payloads that bypass normal authentication and authorization mechanisms.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could enable attackers to execute destructive commands against the database system. Remote attackers could potentially gain unauthorized access to sensitive real estate listings, customer information, and system credentials stored within the database. The vulnerability's remote exploitability means that attackers do not require local system access or physical presence, making it particularly dangerous for web applications handling sensitive personal and financial data.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries throughout the application codebase. The recommended approach involves using prepared statements or parameterized queries to separate sql logic from user input, ensuring that any malicious input is treated as literal data rather than executable code. Additionally, implementing proper input sanitization routines and establishing robust access controls around database operations would significantly reduce the risk of exploitation. Security measures should also include regular code reviews and vulnerability assessments to identify similar flaws in other application components, aligning with the principles outlined in the mitre attack framework where sql injection attacks are categorized as part of the execution and credential access phases of the attack lifecycle.