CVE-2002-2305 in Immobilier
Summary
by MITRE
SQL injection vulnerability in agentadmin.php in Immobilier allows remote attackers to execute arbitrary SQL commands via the (1) agentname or (2) agentpassword parameter.
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Analysis
by VulDB Data Team • 06/12/2018
The vulnerability identified as CVE-2002-2305 represents a critical SQL injection flaw within the Immobilier web application's agentadmin.php component. This security weakness resides in the application's handling of user input parameters, specifically targeting the agentname and agentpassword fields that are processed through the web interface. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into database queries. According to the CWE classification system, this corresponds to CWE-89 SQL Injection, which is categorized under the broader weakness of insufficient input sanitization in web applications. The flaw allows malicious actors to manipulate the underlying database queries by injecting specially crafted SQL commands through the vulnerable parameters.
The operational impact of this vulnerability is severe and multifaceted, as it enables remote attackers to execute arbitrary SQL commands on the affected database server. An attacker can leverage this weakness to extract sensitive information from the database including user credentials, personal data, and system configurations. The vulnerability also permits modification or deletion of database records, potentially leading to complete database compromise and unauthorized access to the application's backend systems. Through SQL injection techniques, attackers can escalate privileges, bypass authentication mechanisms, and even execute operating system commands if the database server allows such functionality. This represents a direct violation of the principle of least privilege and can result in complete system compromise when combined with other exploitation techniques.
The technical exploitation of this vulnerability follows standard SQL injection attack patterns where attackers craft malicious input strings containing SQL syntax that gets directly embedded into database queries. When the agentadmin.php script processes the agentname or agentpassword parameters without proper sanitization, the injected SQL code executes within the database context, potentially allowing attackers to perform unauthorized operations. This vulnerability aligns with ATT&CK technique T1071.004 Application Layer Protocol: Structured Query Language Protocol, which describes how adversaries use SQL injection to manipulate database systems. The attack vector is particularly dangerous because it requires no special privileges or authentication to exploit, making it accessible to any remote user who can access the agentadmin.php page.
Mitigation strategies for CVE-2002-2305 should focus on implementing proper input validation and parameterized queries to prevent SQL injection attacks. The most effective approach involves using prepared statements with parameterized queries that separate SQL code from user input data. Additionally, implementing proper input sanitization techniques, including escaping special characters and validating input against expected formats, can significantly reduce the attack surface. Organizations should also deploy web application firewalls and intrusion detection systems to monitor for suspicious SQL injection patterns. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. The principle of least privilege must be enforced by limiting database user permissions and implementing proper access controls to minimize the potential damage from successful exploitation attempts. According to industry best practices, this vulnerability should be addressed through immediate patching of the affected application, combined with comprehensive security hardening measures to prevent similar issues in other components of the web application infrastructure.