CVE-2006-5840 in Realty Portal
Summary
by MITRE
Multiple SQL injection vulnerabilities in Abarcar Realty Portal allow remote attackers to execute arbitrary SQL commands via the (1) neid parameter to newsdetails.php, or the (2) slid parameter to slistl.php. NOTE: the cat vector is already covered by CVE-2006-2853. NOTE: the vendor has notified CVE that the current version only creates static pages, and that slistl.php/slid never existed in any version
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Analysis
by VulDB Data Team • 03/13/2026
The CVE-2006-5840 vulnerability represents a critical security flaw in the Abarcar Realty Portal web application that exposes multiple SQL injection attack vectors. This vulnerability specifically targets two distinct parameters within the application's codebase, creating opportunities for remote attackers to execute arbitrary SQL commands against the underlying database system. The flaw manifests in two primary locations: the neid parameter within the newsdetails.php script and the slid parameter within the slistl.php script, both of which fail to properly sanitize user input before incorporating it into database queries.
The technical implementation of this vulnerability stems from inadequate input validation and parameter sanitization within the web application's backend processing logic. When users provide input through these parameters, the application directly incorporates the raw input into SQL query construction without proper escaping or parameterization. This design flaw aligns with CWE-89, which categorizes SQL injection vulnerabilities as a fundamental weakness in software applications that fail to properly validate or escape user-supplied data before using it in database operations. The vulnerability's classification as a remote attack vector means that malicious actors can exploit this weakness from outside the network perimeter without requiring local system access or authentication credentials.
The operational impact of CVE-2006-5840 extends beyond simple data theft to encompass complete database compromise and potential system infiltration. Attackers exploiting these SQL injection flaws can retrieve sensitive information including user credentials, personal data, and business-critical records stored within the application's database. The vulnerability's remote nature eliminates the need for physical access to the target system, making it particularly dangerous as it can be exploited from anywhere on the internet. This type of attack pattern falls under the ATT&CK framework's T1071.004 technique for application layer protocol tunneling and T1190 for exploit public-facing application, demonstrating how attackers can leverage web application vulnerabilities to establish persistent access to target systems.
The vendor's notification regarding the current version's static page generation and the non-existence of slistl.php/slid in any version indicates that this vulnerability may be obsolete in newer releases of the software. However, organizations maintaining legacy systems or those that have not upgraded from affected versions remain at risk. The vulnerability's existence demonstrates the importance of continuous security auditing and the necessity of keeping web applications updated to address known security flaws. Organizations should implement comprehensive input validation mechanisms, utilize parameterized queries, and maintain up-to-date security patches to prevent exploitation of similar vulnerabilities in their web applications. The remediation approach should focus on implementing proper input sanitization, adopting prepared statements, and conducting regular security assessments to identify and address potential injection vulnerabilities before they can be exploited by malicious actors.