CVE-2007-2661 in BlogMe
Summary
by MITRE
SQL injection vulnerability in archshow.asp in BlogMe 3.0 allows remote attackers to execute arbitrary SQL commands via the var parameter, a different vector than CVE-2006-5976.
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Analysis
by VulDB Data Team • 09/15/2024
The vulnerability identified as CVE-2007-2661 represents a critical SQL injection flaw discovered in the BlogMe 3.0 content management system, specifically within the archshow.asp component. This vulnerability arises from insufficient input validation and sanitization mechanisms that fail to properly filter user-supplied data before incorporating it into database queries. The affected parameter named 'var' serves as the primary attack vector, allowing malicious actors to inject arbitrary SQL commands that can be executed within the context of the underlying database system.
This security weakness operates under the well-established CWE-89 classification for SQL injection vulnerabilities, which fall under the broader category of injection flaws that represent one of the most prevalent and dangerous categories of web application vulnerabilities. The vulnerability differs significantly from CVE-2006-5976, indicating that while both issues involve SQL injection, they affect different code paths and potentially different attack surfaces within the BlogMe application. This distinction is crucial for security professionals as it demonstrates how multiple injection vulnerabilities can exist simultaneously in a single application, each requiring specific remediation approaches.
The operational impact of this vulnerability extends far beyond simple data theft or modification. Remote attackers can leverage this weakness to execute unauthorized database operations including but not limited to data retrieval, insertion, update, or deletion of sensitive information. The implications become particularly severe when considering that the vulnerability allows for arbitrary SQL command execution, meaning attackers could potentially escalate privileges, access administrative functions, or even gain shell access to the underlying database server. This type of vulnerability directly violates the principle of least privilege and can lead to complete system compromise when the database contains sensitive user information, application configuration details, or business-critical data.
The attack surface for this vulnerability is particularly concerning given that it affects a core component of the BlogMe 3.0 platform, making it accessible to any remote user who can interact with the archshow.asp page. The attack vector through the 'var' parameter suggests that the application likely accepts user input from URL parameters or form fields without proper sanitization, creating an environment where malicious SQL code can be seamlessly integrated into database queries. Security practitioners should note that this vulnerability aligns with the ATT&CK framework's T1071.004 technique for application layer protocol tunneling, as attackers can exploit this weakness to establish persistent access to backend systems through database interactions.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The primary fix involves implementing proper input validation and parameterized queries throughout the application codebase, ensuring that all user-supplied data is properly sanitized before being processed by database systems. Organizations should deploy web application firewalls and input validation mechanisms to filter out potentially malicious SQL content. Additionally, regular security assessments and code reviews should be conducted to identify and remediate similar injection vulnerabilities. The implementation of proper error handling that does not expose database structure information to end users is also critical, as such information can aid attackers in crafting more sophisticated attacks. Regular patch management processes should be established to ensure that all known vulnerabilities are addressed promptly, with particular attention to legacy systems like BlogMe 3.0 that may not receive ongoing security updates from their developers.