CVE-2008-3674 in TubeGuru Video Sharing Script
Summary
by MITRE
SQL injection vulnerability in ugroups.php in PozScripts TubeGuru Video Sharing Script allows remote attackers to execute arbitrary SQL commands via the UID parameter.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 11/02/2024
The vulnerability identified as CVE-2008-3674 represents a critical SQL injection flaw within the PozScripts TubeGuru Video Sharing Script, specifically affecting the ugroups.php component. This weakness arises from insufficient input validation and sanitization of user-supplied data, creating a pathway for malicious actors to manipulate database queries through the UID parameter. The vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is directly incorporated into SQL command strings without proper escaping or parameterization. The attack vector is remote, meaning that adversaries can exploit this flaw without requiring physical access to the target system, making it particularly dangerous in web-facing applications.
The technical exploitation of this vulnerability occurs when the ugroups.php script processes the UID parameter without adequate sanitization measures. When a user submits a value through the UID parameter, the application directly incorporates this input into a SQL query without proper validation or escaping mechanisms. This allows attackers to inject malicious SQL code that can manipulate the database structure, extract sensitive information, modify data, or even gain unauthorized access to the underlying database system. The flaw demonstrates poor input handling practices and violates fundamental security principles of defensive programming, where all external inputs must be treated as potentially malicious and properly validated before being processed.
The operational impact of this vulnerability extends beyond simple data manipulation, as it can lead to complete database compromise and potential system takeover. An attacker could leverage this vulnerability to extract user credentials, personal information, video content metadata, and other sensitive data stored within the application's database. The consequences include data breaches, unauthorized content modification, potential denial of service conditions, and the possibility of establishing persistent access through database-level backdoors. This vulnerability directly aligns with ATT&CK technique T1190, which covers exploitation of remote services, and T1071.004, covering application layer protocol manipulation, as the attack specifically targets a web application's database interface.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening measures. The primary fix involves implementing proper input validation and parameterized queries throughout the application, ensuring that all user-supplied data is sanitized before being processed. The UID parameter should be validated against expected data types and ranges, with strict filtering applied to prevent SQL metacharacters from being processed. Additionally, implementing proper error handling that does not expose database structure information to users is crucial. Organizations should also consider implementing web application firewalls, database activity monitoring, and regular security assessments to detect and prevent similar vulnerabilities. The remediation process should follow secure coding practices as outlined in OWASP Top Ten and ISO/IEC 27001 standards, emphasizing the importance of input validation, output encoding, and proper error handling in web application development to prevent SQL injection attacks.