CVE-2008-3302 in BilboBlog
Summary
by MITRE
SQL injection vulnerability in admin/delete.php in BilboBlog 0.2.1, when magic_quotes_gpc is disabled, allows remote authenticated administrators to execute arbitrary SQL commands via the num parameter.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 11/01/2024
The vulnerability described in CVE-2008-3302 represents a critical SQL injection flaw within the BilboBlog content management system version 0.2.1. This security weakness specifically affects the administrative deletion functionality where the application fails to properly sanitize user input before incorporating it into database queries. The vulnerability is particularly concerning because it targets authenticated administrator accounts, eliminating the need for initial exploitation of user credentials to achieve elevated privileges. The flaw manifests when the PHP configuration parameter magic_quotes_gpc is disabled, which removes the automatic escaping of special characters in GET, POST, and COOKIE data, leaving the application susceptible to malicious input manipulation.
The technical implementation of this vulnerability occurs within the admin/delete.php script where the num parameter is directly incorporated into SQL queries without proper input validation or sanitization. When an authenticated administrator accesses the deletion functionality, the application processes the num parameter without adequate protection mechanisms, allowing attackers to inject malicious SQL code that executes with the privileges of the administrative account. This creates a scenario where the attacker can manipulate the database structure, extract sensitive information, modify content, or potentially gain unauthorized access to the underlying system. The vulnerability is classified under CWE-89 as a SQL injection weakness, specifically demonstrating how insufficient input sanitization can lead to complete database compromise.
The operational impact of this vulnerability extends beyond simple data manipulation as it provides attackers with full administrative control over the affected BilboBlog installation. An attacker who has gained administrative credentials can leverage this vulnerability to perform unauthorized database operations including data exfiltration, account manipulation, content destruction, or even system-level attacks that could compromise the entire hosting environment. The fact that this affects authenticated administrators means that the attack vector is more accessible than typical SQL injection vulnerabilities that require unauthenticated access, making it particularly dangerous in environments where administrative credentials are compromised or where insider threats exist. This vulnerability aligns with ATT&CK technique T1078.004 which covers valid accounts and T1046 which involves network service scanning, as the attacker can use administrative privileges to explore and exploit the system further.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and parameterized queries within the affected application. The most effective approach involves updating the BilboBlog application to a patched version that properly sanitizes all user inputs before database processing, implementing prepared statements or parameterized queries to prevent SQL injection, and ensuring that the magic_quotes_gpc configuration is properly managed. Organizations should also implement network segmentation and access controls to limit administrative access to only necessary personnel, while monitoring for unusual database activity that might indicate exploitation attempts. Additionally, regular security audits and code reviews should be conducted to identify similar vulnerabilities in other applications, as this type of flaw is commonly found in legacy systems that have not been properly updated or maintained. The vulnerability serves as a critical reminder of the importance of proper input validation and the dangers of relying on server configuration settings to provide security boundaries.