CVE-2008-0397 in aflog
Summary
by MITRE
Multiple SQL injection vulnerabilities in aflog 1.01, and possibly earlier versions, allow remote attackers to execute arbitrary SQL commands via (1) the id parameter to comments.php and (2) an unspecified parameter to view.php.
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Analysis
by VulDB Data Team • 10/14/2024
The vulnerability identified as CVE-2008-0397 represents a critical security flaw in the aflog 1.01 web application and potentially earlier versions, exposing the system to remote code execution through SQL injection attacks. This vulnerability resides within the application's handling of user input parameters, specifically targeting the comments.php and view.php scripts that process data from external sources without proper sanitization or validation mechanisms. The flaw enables malicious actors to inject malicious SQL commands directly into the application's database queries, potentially compromising the entire backend infrastructure.
The technical implementation of this vulnerability follows the classic SQL injection pattern where user-supplied data is directly concatenated into SQL query strings without appropriate escaping or parameterization. In the case of comments.php, the id parameter serves as the primary attack vector, while the unspecified parameter in view.php suggests additional entry points that may also be susceptible to similar exploitation techniques. This type of vulnerability falls under CWE-89 which specifically addresses SQL injection flaws in software applications, making it a well-documented and highly dangerous security weakness that has been consistently exploited in various web applications over the years.
The operational impact of this vulnerability extends beyond simple data theft or modification, as it provides attackers with the capability to execute arbitrary commands on the underlying database server. Successful exploitation could result in complete database compromise, unauthorized data access, data manipulation, or even privilege escalation within the application's environment. Attackers could potentially extract sensitive information, modify or delete critical data, and in some cases gain further access to the underlying operating system if the database server is configured with elevated privileges. This vulnerability directly aligns with ATT&CK technique T1071.004 which covers application layer protocol manipulation and T1190 which addresses exploitation of remote services through injection attacks.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening measures. The primary solution 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. The application should utilize prepared statements or parameterized queries to separate SQL code from data, preventing malicious input from altering the intended query structure. Additionally, implementing proper access controls, input filtering mechanisms, and regular security auditing practices would significantly reduce the risk of exploitation. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious SQL injection patterns and prevent unauthorized access attempts. The vulnerability demonstrates the critical importance of following secure coding practices and conducting regular security assessments to identify and remediate such dangerous flaws before they can be exploited by malicious actors in the wild.