CVE-2007-3979 in Blog System
Summary
by MITRE
SQL injection vulnerability in index.php in BlogSite Professional (aka Blog System) 1.x allows remote attackers to execute arbitrary SQL commands via the news_id parameter.
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Analysis
by VulDB Data Team • 09/27/2024
The CVE-2007-3979 vulnerability represents a critical sql injection flaw in BlogSite Professional version 1.x, specifically affecting the index.php script. This vulnerability resides in the handling of user input through the news_id parameter, which is processed without adequate sanitization or validation. The flaw enables remote attackers to manipulate database queries by injecting malicious sql code through this parameter, potentially compromising the entire database infrastructure underlying the blogging platform. The vulnerability demonstrates a classic lack of input validation and proper parameter binding mechanisms that has been documented as a persistent issue in web application security for over a decade.
The technical implementation of this vulnerability stems from the application's failure to properly escape or sanitize user-supplied input before incorporating it into sql queries. When the news_id parameter is passed to index.php, the application directly concatenates this input into database queries without employing prepared statements or proper input filtering mechanisms. This allows an attacker to craft malicious input that alters the intended sql execution flow, potentially enabling data extraction, modification, or deletion operations. The vulnerability specifically maps to CWE-89 which categorizes sql injection as a weakness where untrusted data is incorporated into sql commands without proper escaping or validation. This flaw represents a fundamental breakdown in the application's data handling protocols and demonstrates poor security practices that violate basic secure coding principles.
The operational impact of this vulnerability extends beyond simple data compromise to potentially enable full system takeover scenarios. Remote attackers can leverage this vulnerability to execute arbitrary sql commands on the database server, which may provide access to sensitive user information, including authentication credentials, personal data, and administrative privileges. The vulnerability's remote exploitability means that attackers do not require physical access to the system or network, making it particularly dangerous in production environments. Depending on the database configuration and permissions, successful exploitation could lead to complete database compromise, data loss, or even server-level command execution. This vulnerability affects the confidentiality, integrity, and availability of the blog system's data infrastructure, potentially violating regulatory compliance requirements and exposing organizations to significant liability.
Mitigation strategies for CVE-2007-3979 must address both immediate remediation and long-term security improvements. The primary fix involves implementing proper input validation and parameterized queries throughout the application codebase, specifically modifying the index.php script to utilize prepared statements or proper sql escaping mechanisms when processing the news_id parameter. Organizations should also implement web application firewalls to detect and block sql injection attempts, while conducting thorough code reviews to identify similar vulnerabilities in other application components. The remediation process should follow established security frameworks such as those recommended by the owasp foundation and the mitre corporation's attack framework, ensuring that the fix aligns with industry best practices for preventing sql injection attacks. Additionally, regular security assessments and vulnerability scanning should be implemented to maintain ongoing protection against similar threats, with particular attention to the attack techniques documented in the mitre attack matrix under the execution and privilege escalation categories.