CVE-2012-5300 in Tienda Virtual
Summary
by MITRE
SQL injection vulnerability in art_catalogo.php in MyStore Xpress Tienda Virtual 2.0 allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 02/08/2018
The vulnerability identified as CVE-2012-5300 represents a critical SQL injection flaw within the MyStore Xpress Tienda Virtual 2.0 web application, specifically affecting the art_catalogo.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 enables remote attackers to inject malicious SQL code directly into the application's database query execution flow, potentially compromising the entire backend database infrastructure.
From a technical perspective, the vulnerability manifests when the application constructs SQL queries using user-provided data from the id parameter without proper input filtering or parameterization. This design flaw allows attackers to manipulate the intended query structure by injecting malicious SQL syntax such as UNION statements, boolean conditions, or administrative commands. The vulnerability directly maps to CWE-89, which categorizes SQL injection as a weakness where untrusted data is incorporated into SQL commands without proper sanitization, creating a pathway for unauthorized database access and manipulation.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to execute arbitrary SQL commands on the underlying database server. Successful exploitation could result in complete database compromise, including data exfiltration, unauthorized user account creation, data modification, and potential privilege escalation. Attackers might leverage this vulnerability to gain administrative access to the database, extract sensitive customer information, manipulate product catalogs, or even deploy backdoors within the application environment. The remote nature of the attack means that threat actors can exploit this vulnerability from anywhere on the internet without requiring physical access to the target system.
Security practitioners should implement multiple layers of defense to mitigate this vulnerability. The primary remediation involves proper input validation and parameterized query construction, ensuring that all user-supplied data is properly escaped or parameterized before being incorporated into database queries. Additionally, implementing proper access controls, database query monitoring, and regular security assessments can help detect and prevent exploitation attempts. Organizations should also consider deploying web application firewalls and intrusion detection systems to monitor for suspicious SQL injection patterns. This vulnerability aligns with ATT&CK technique T1190, which describes the use of SQL injection to gain unauthorized access to databases, and represents a classic example of how inadequate input validation can lead to severe security consequences in web applications.