CVE-2008-6284 in Z1Exchange
Summary
by MITRE
SQL injection vulnerability in edit.php in Z1Exchange 1.0 allows remote attackers to execute arbitrary SQL commands via the site parameter.
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Analysis
by VulDB Data Team • 11/12/2024
The vulnerability identified as CVE-2008-6284 represents a critical SQL injection flaw within the Z1Exchange 1.0 web application, specifically affecting the edit.php script. This vulnerability exposes the application to remote code execution attacks where malicious actors can manipulate database queries through improper input validation. The flaw occurs when the site parameter in the edit.php file fails to properly sanitize user-supplied data before incorporating it into SQL command structures, creating an exploitable pathway for attackers to inject malicious SQL code.
The technical implementation of this vulnerability stems from the application's failure to employ proper input validation and parameterized queries. When users provide input through the site parameter, the application directly concatenates this data into SQL statements without adequate sanitization or escaping mechanisms. This primitive approach to database interaction aligns with CWE-89, which categorizes SQL injection as a fundamental weakness in application security. The vulnerability operates at the application layer where user input transitions into database operations, making it particularly dangerous as it can potentially grant attackers full access to the underlying database infrastructure.
From an operational perspective, this vulnerability presents severe implications for organizations utilizing Z1Exchange 1.0, as it enables remote attackers to execute arbitrary SQL commands against the database server. Attackers can leverage this weakness to extract sensitive information, modify database records, insert malicious data, or even escalate privileges within the database environment. The remote nature of the exploit means that attackers do not require physical access to the system or local network presence to carry out successful attacks. This vulnerability directly maps to several ATT&CK techniques including T1071.004 for application layer protocol usage and T1046 for network service discovery, as attackers would likely use this vulnerability to gather intelligence about the database configuration and structure.
The impact of this vulnerability extends beyond immediate data compromise, potentially leading to complete system infiltration and persistent backdoor access. Organizations running vulnerable versions of Z1Exchange 1.0 face risks including data breaches, unauthorized access to user credentials, financial data exposure, and potential compliance violations under regulations such as gdpr and hipaa. The exploitation process typically involves crafting malicious payloads that bypass input filters, often using techniques like union-based queries or error-based exploitation to extract database schema information. Mitigation strategies should include immediate implementation of parameterized queries, input validation, and output encoding, alongside comprehensive security testing and code review processes to identify similar vulnerabilities across the application codebase.