CVE-2008-0424 in MGBS
Summary
by MITRE
SQL injection vulnerability in blog.php in Mooseguy Blog System (MGBS) 1.0 allows remote attackers to execute arbitrary SQL commands via the month parameter.
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Analysis
by VulDB Data Team • 10/14/2024
The CVE-2008-0424 vulnerability represents a critical sql injection flaw within the Mooseguy Blog System version 1.0 that exposes the application to remote code execution risks. This vulnerability specifically targets the blog.php script where the month parameter is improperly validated and sanitized, creating an exploitable entry point for malicious actors. The vulnerability classification aligns with CWE-89 which defines sql injection as the insertion of malicious sql code into input fields for execution by the database engine. The flaw occurs when user-supplied data from the month parameter is directly concatenated into sql query strings without proper input filtering or parameterization, allowing attackers to manipulate the intended database operations.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and unauthorized access to sensitive information. Attackers can leverage this weakness to execute arbitrary sql commands against the underlying database, potentially gaining access to user credentials, personal information, and other confidential data stored within the system. The vulnerability enables attackers to perform actions such as data extraction, modification, or deletion, while also providing opportunities for privilege escalation and persistent access. This type of vulnerability is particularly dangerous in web applications where database access is tightly coupled with application functionality, as demonstrated by the mgb blog system's reliance on database queries to display blog content.
The attack vector for CVE-2008-0424 operates through remote exploitation where malicious users can craft specially formatted requests containing sql payload within the month parameter. This approach follows the ATT&CK framework's technique T1190 for exploiting vulnerabilities in web applications, specifically targeting the application layer where input validation fails. The vulnerability's exploitation typically involves appending sql injection payloads such as single quotes, semicolons, or union select statements to the month parameter value, which then get processed by the vulnerable sql query construction logic. Security professionals should note that this vulnerability demonstrates the critical importance of input validation and parameterized queries in preventing sql injection attacks, as the flaw exists in the fundamental data handling mechanism of the application.
Mitigation strategies for CVE-2008-0424 require immediate implementation of proper input sanitization and parameterized query usage throughout the application codebase. Organizations should deploy web application firewalls to detect and block malicious sql injection attempts, while also implementing proper output encoding to prevent reflected sql injection scenarios. The most effective remediation involves rewriting the vulnerable code to utilize prepared statements or parameterized queries, which separate sql command structure from data values, thereby eliminating the injection possibility. Additionally, comprehensive input validation should be implemented to reject any non-conforming data patterns, and regular security assessments should be conducted to identify similar vulnerabilities within the application's codebase. System administrators should also consider implementing database access controls and monitoring mechanisms to detect unauthorized sql query execution patterns and limit the potential damage from successful exploitation attempts.