CVE-2009-4155 in Eshopbuilder
Summary
by MITRE
Multiple SQL injection vulnerabilities in Eshopbuilde CMS allow remote attackers to execute arbitrary SQL commands via the sitebid parameter to (1) home-f.asp and (2) opinions-f.asp; (3) sitebid, (4) id, (5) secText, (6) client-ip, and (7) G_id parameters to more-f.asp; (8) sitebid, (9) id, (10) ma_id, (11) mi_id, (12) secText, (13) client-ip, and (14) G_id parameters to selectintro.asp; (15) sitebid, (16) secText, (17) adv_code, and (18) client-ip parameters to advcount.asp; (19) sitebid, (20) secText, (21) Grp_Code, (22) _method, and (23) client-ip parameters to advview.asp; and (24) sitebid, (25) secText, (26) newsId, and (27) client-ip parameters to dis_new-f.asp.
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Analysis
by VulDB Data Team • 07/25/2024
The CVE-2009-4155 vulnerability represents a critical SQL injection flaw affecting the Eshopbuilde CMS platform, exposing multiple entry points that enable remote attackers to execute arbitrary SQL commands against the underlying database system. This vulnerability stems from insufficient input validation and sanitization within several ASP script files that process user-supplied parameters without proper escaping or parameterization. The affected endpoints include home-f.asp, opinions-f.asp, more-f.asp, selectintro.asp, advcount.asp, advview.asp, and dis_new-f.asp, each processing distinct sets of parameters that collectively create a comprehensive attack surface for SQL injection exploitation. The vulnerability specifically targets parameters such as sitebid, id, secText, client-ip, G_id, ma_id, mi_id, adv_code, Grp_Code, _method, and newsId, all of which are directly incorporated into SQL query construction without adequate security measures.
The technical exploitation of this vulnerability follows the classic SQL injection pattern where attacker-controlled input is concatenated directly into SQL statements, allowing malicious SQL code to be executed with the privileges of the database user account. The flaw demonstrates poor input validation practices and violates fundamental security principles outlined in CWE-89, which specifically addresses SQL injection vulnerabilities. When an attacker successfully exploits any of these endpoints, they can potentially retrieve, modify, or delete database contents, escalate privileges, or even gain shell access to the underlying system depending on the database configuration and permissions. The vulnerability's widespread impact across multiple script files indicates a systemic lack of secure coding practices throughout the CMS implementation, with each vulnerable parameter representing a potential vector for unauthorized database access.
From an operational standpoint, this vulnerability creates significant risk for organizations using the Eshopbuilde CMS, as remote attackers can leverage these entry points to compromise the entire database infrastructure. The attack surface is particularly concerning because it spans multiple functional areas of the CMS, from homepage display to user reviews, advertising systems, and news management. The exploitation could result in complete data breaches, including customer information, transaction records, and administrative credentials, potentially leading to financial losses, regulatory compliance violations, and reputational damage. Security frameworks such as the ATT&CK methodology classify this vulnerability under the T1190 technique for exploiting vulnerabilities in web applications, while the persistent nature of SQL injection attacks means that successful exploitation can provide attackers with persistent access to the compromised system.
Organizations should implement immediate mitigations including input validation and parameterized queries to address this vulnerability. The recommended approach involves implementing proper input sanitization at all entry points, using prepared statements or parameterized queries to prevent SQL injection, and applying web application firewalls to monitor and block malicious requests. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the system. The vulnerability's classification under CWE-89 emphasizes the need for comprehensive secure coding training for development teams and adherence to OWASP Top Ten security guidelines for web application development. System administrators should also consider implementing database activity monitoring to detect anomalous SQL query patterns that may indicate exploitation attempts, while ensuring that database accounts have minimal required privileges to limit potential damage from successful attacks.