CVE-2008-6247 in EZ Top Sites
Summary
by MITRE
SQL injection vulnerability in topsite.php in Scripts For Sites (SFS) EZ Top Sites allows remote attackers to execute arbitrary SQL commands via the ts parameter.
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Analysis
by VulDB Data Team • 11/09/2024
The vulnerability identified as CVE-2008-6247 represents a critical sql injection flaw within the topsite.php script of Scripts For Sites (SFS) EZ Top Sites web application. This vulnerability resides in the handling of user-supplied input through the ts parameter, which is processed without adequate sanitization or validation mechanisms. The flaw allows remote attackers to inject malicious sql commands directly into the application's database query execution flow, potentially enabling full database compromise and unauthorized access to sensitive information.
The technical exploitation of this vulnerability follows a standard sql injection attack pattern where the ts parameter serves as the attack vector. When the application processes this parameter in its sql query construction, it fails to properly escape or parameterize the input, creating an opening for attackers to manipulate the intended query execution. This weakness directly maps to CWE-89, which categorizes sql injection as a fundamental web application vulnerability that occurs when user input is improperly validated or escaped before being incorporated into sql commands. The vulnerability exists due to inadequate input validation and output encoding practices within the application's data handling pipeline.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete system compromise. Attackers can execute arbitrary sql commands including data extraction, modification, or deletion operations, potentially gaining administrative privileges within the database. The vulnerability affects the confidentiality, integrity, and availability of the web application's data repository, with potential for privilege escalation and lateral movement within the network infrastructure. This type of vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1046 for network service discovery, as attackers may use the compromised system to map network topology and identify additional targets.
Mitigation strategies for CVE-2008-6247 require immediate implementation of input validation and parameterized queries. The application should employ prepared statements or parameterized queries to ensure user input is properly escaped and treated as data rather than executable code. Additionally, implementing proper input sanitization routines, including whitelisting of acceptable input values, can prevent malicious payloads from reaching the sql engine. Network-level protections such as web application firewalls and intrusion prevention systems should be deployed to detect and block sql injection attempts. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components, while the affected SFS EZ Top Sites version should be updated to the latest secure release to eliminate this vulnerability entirely. The remediation process should also include implementing proper error handling to prevent information disclosure that could aid attackers in further exploitation attempts.