CVE-2007-6373 in GestDown
Summary
by MITRE
Multiple SQL injection vulnerabilities in GestDown 1.00 Beta allow remote attackers to execute arbitrary SQL commands via the (1) categorie parameter to catdownload.php, or the id parameter to (2) download.php or (3) hitcounter.php.
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Analysis
by VulDB Data Team • 09/13/2018
The vulnerability identified as CVE-2007-6373 represents a critical security flaw in GestDown 1.00 Beta, a content management system designed for file downloads and categorization. This vulnerability manifests as multiple SQL injection weaknesses that collectively expose the application to remote code execution attacks. The affected parameters include the categorie parameter in catdownload.php, the id parameter in download.php, and the id parameter in hitcounter.php, all of which fail to properly sanitize user input before incorporating it into database queries. These injection points create pathways for malicious actors to manipulate the underlying database infrastructure through carefully crafted input sequences that bypass normal authentication and authorization mechanisms.
The technical implementation of this vulnerability stems from inadequate input validation and parameter sanitization within the GestDown application's PHP scripts. When users provide input through the affected parameters, the application directly incorporates this data into SQL query strings without proper escaping or parameterization techniques. This fundamental flaw allows attackers to inject malicious SQL code that executes with the privileges of the database user account associated with the web application. The vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws, and represents a classic example of how insufficient input validation can lead to complete database compromise. Attackers can leverage these injection points to extract sensitive data, modify database contents, or even escalate privileges to gain administrative access to the underlying system.
The operational impact of this vulnerability extends beyond simple data theft, as it enables comprehensive system compromise through database manipulation. Remote attackers can exploit these weaknesses to perform unauthorized data access, modify or delete critical information, and potentially establish persistent backdoors within the application environment. The attack surface is particularly concerning given that the vulnerable parameters are accessible through standard web interface interactions, requiring no specialized tools or deep system knowledge. This vulnerability directly maps to several ATT&CK techniques including T1071.004 for application layer protocols and T1566 for credential access through social engineering, as attackers can use the database access to harvest credentials or manipulate user accounts. The exposure of database credentials and user information creates cascading security risks that can affect entire organizational networks.
Mitigation strategies for CVE-2007-6373 require immediate implementation of input sanitization and parameterized query approaches across all affected scripts. Organizations should implement proper input validation routines that reject or escape special characters commonly used in SQL injection attacks, including single quotes, semicolons, and comment markers. The most effective remediation involves adopting prepared statements or parameterized queries that separate SQL code from user input, preventing malicious code execution entirely. Additionally, implementing proper access controls and database user privilege management can limit the damage from successful attacks by ensuring that the web application connects to the database with minimal required permissions. Security administrators should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious parameter patterns and prevent exploitation attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other applications and ensure proper input handling practices are maintained across the entire software ecosystem.