CVE-2008-3307 in YouTube Blog
Summary
by MITRE
SQL injection vulnerability in todos.php in C. Desseno YouTube Blog (ytb) 0.1 allows remote attackers to execute arbitrary SQL commands via the id parameter, a different vector than CVE-2008-3306.
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Analysis
by VulDB Data Team • 11/02/2024
The vulnerability identified as CVE-2008-3307 represents a critical SQL injection flaw in the todos.php script of C. Desseno YouTube Blog version 0.1. This security weakness specifically targets the id parameter handling within the application's backend database operations, creating an avenue for malicious actors to manipulate database queries through crafted input. The vulnerability exists within the web application's input validation mechanisms, where user-supplied data fails to undergo proper sanitization before being incorporated into SQL command structures. This particular flaw distinguishes itself from CVE-2008-3306 by utilizing a different attack vector, indicating the presence of multiple exploitable entry points within the same software component.
The technical implementation of this vulnerability stems from improper parameter handling in the todos.php script, which directly incorporates user input from the id parameter into database queries without adequate escaping or sanitization measures. When an attacker submits a malicious value through the id parameter, the application processes this input directly within SQL execution contexts, allowing for command injection attacks. This flaw aligns with CWE-89, which categorizes SQL injection vulnerabilities as weaknesses in software that allows attackers to execute arbitrary SQL commands through improper input validation. The vulnerability's impact extends beyond simple data theft, as successful exploitation can enable attackers to modify database contents, extract sensitive information, or even escalate privileges within the database system.
Operationally, this vulnerability poses significant risks to the integrity and confidentiality of data stored within the YouTube Blog application's database. Remote attackers can leverage this weakness to gain unauthorized access to stored information, potentially including user credentials, personal data, or blog content. The attack surface is particularly concerning as it allows for arbitrary SQL command execution, meaning that an attacker could perform operations such as data deletion, modification, or unauthorized data retrieval. From an adversarial perspective, this vulnerability fits within the ATT&CK framework under the T1071.004 technique for Application Layer Protocol: Structured Query Language, representing a common attack pattern used in database-focused penetration testing and exploitation activities. The vulnerability's remote exploitability means that no local system access is required for successful exploitation, making it particularly dangerous in web-facing applications.
Mitigation strategies for this vulnerability must address the fundamental input validation and sanitization issues that enable the attack. The primary remediation involves implementing proper parameterized queries or prepared statements in the todos.php script, ensuring that user input is properly escaped or separated from SQL command structures. Input validation should be strengthened to reject malicious patterns and enforce strict data type constraints on the id parameter. Additionally, implementing proper error handling that prevents information leakage about database structure is crucial. Security best practices dictate that applications should follow the principle of least privilege when accessing database resources, limiting the database user account permissions to only those operations necessary for the application's functionality. Organizations should also implement web application firewalls and intrusion detection systems to monitor for exploitation attempts, while maintaining regular security assessments to identify similar vulnerabilities in other application components. The remediation process should include thorough code review and penetration testing to ensure that similar injection vulnerabilities do not exist in other parts of the application's codebase, as this represents a systemic weakness that may be present in other database interaction points within the software.