CVE-2007-6462 in Php Real Estate Classifieds Premium Plus
Summary
by MITRE
SQL injection vulnerability in fullnews.php in PHP Real Estate Classifieds allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 10/13/2024
The vulnerability identified as CVE-2007-6462 represents a critical sql injection flaw within the php real estate classifieds application specifically affecting the fullnews php script. This vulnerability resides in the handling of user-supplied input through the id parameter, which is processed without adequate sanitization or validation mechanisms. The flaw allows malicious actors to inject arbitrary sql commands into the application's database layer, potentially enabling complete database compromise and unauthorized access to sensitive information.
The technical implementation of this vulnerability stems from improper input validation within the fullnews php file where the id parameter is directly incorporated into sql queries without appropriate escaping or parameterization techniques. When an attacker submits a malicious id value containing sql payload characters such as single quotes, semicolons, or union select statements, the application fails to properly sanitize this input before executing the sql command. This design flaw aligns with common weakness enumeration cwe-89 which categorizes sql injection vulnerabilities as a fundamental issue in web application security. The vulnerability exists due to the application's failure to implement proper input filtering mechanisms or use of prepared statements that would prevent malicious sql code from being executed.
The operational impact of this vulnerability extends far beyond simple data theft, as it provides attackers with the capability to execute arbitrary commands on the underlying database system. Attackers can leverage this vulnerability to extract sensitive information including user credentials, personal data, and classified listings that may contain proprietary real estate information. The compromise could lead to complete database takeover, allowing unauthorized modification or deletion of critical data, and potentially provide a foothold for further attacks within the network infrastructure. This vulnerability directly maps to attack techniques described in the attack tree framework under initial access and privilege escalation categories, particularly targeting the execution of malicious code through database interfaces.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and sanitization measures. The recommended approach involves implementing prepared statements or parameterized queries to ensure that user input cannot be interpreted as sql code. Additionally, the application should enforce strict input filtering that rejects or escapes special characters commonly used in sql injection attacks. Access controls should be implemented to limit database access permissions and prevent unauthorized execution of administrative sql commands. Security best practices dictate that all user-supplied parameters must undergo thorough validation before being processed, and the application should implement proper error handling that does not expose database structure information to potential attackers. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities across the entire application codebase, following established security frameworks such as owasp top ten and nist cybersecurity framework guidelines.