CVE-2007-3814 in MKPortal
Summary
by MITRE
Multiple SQL injection vulnerabilities in MKPortal 1.1.1 allow remote attackers to execute arbitrary SQL commands via (1) the idurlo field in the delete_urlo function in (a) index.php in the urlobox module; the iden field in the (2) update_file and (3) del_file functions in (b) index.php in the reviews module; the (4) idnews field in the delete_news function and the (5) idcomm field in the del_comment function in (c) index.php in the news module; the (6) idcomm field in the delete_comments function in (d) index.php in the gallery module; the iden field in the (7) edit_file, (8) update_file, and (9) del_file functions in index.php in the gallery module; the (10) ide and (11) cat fields in the slide_update function in index.php in the gallery module; the iden field in the (12) update_file and (13) del_file functions in (d) index.php in the downloads module; and other unspecified vectors.
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Analysis
by VulDB Data Team • 09/25/2024
The CVE-2007-3814 vulnerability represents a critical multiple sql injection flaw affecting MKPortal 1.1.1 content management system. This vulnerability stems from inadequate input validation and sanitization within various functions across multiple modules including urlobox, reviews, news, gallery, and downloads. The flaw allows remote attackers to inject malicious sql commands through multiple parameter fields, fundamentally compromising the application's database security. The vulnerability's widespread nature across different modules demonstrates a systemic design flaw in the application's data handling mechanisms, making it particularly dangerous as exploitation can occur through various attack vectors.
The technical implementation of this vulnerability follows standard sql injection patterns where user-supplied input is directly concatenated into sql queries without proper sanitization or parameterization. Specifically, fields such as idurlo, iden, idnews, idcomm, ide, and cat are processed without adequate validation, allowing attackers to manipulate sql execution flow. The vulnerability manifests in functions like delete_urlo, update_file, del_file, delete_news, del_comment, delete_comments, edit_file, slide_update, and various other functions across different modules. These functions operate on database operations without proper input filtering, creating opportunities for attackers to execute unauthorized sql commands including data extraction, modification, or deletion. The vulnerability aligns with CWE-89 which categorizes sql injection as a fundamental weakness in data validation and input sanitization.
The operational impact of CVE-2007-3814 is severe and multifaceted, potentially enabling complete database compromise and unauthorized access to sensitive information. Attackers could exploit these vulnerabilities to extract confidential data, modify database records, or even escalate privileges within the application environment. The cross-module nature of the vulnerability increases the attack surface significantly, as exploitation requires targeting only one of the affected functions rather than multiple distinct vulnerabilities. This vulnerability directly maps to several ATT&CK techniques including T1071.004 for application layer protocol manipulation and T1566 for credential access through injection attacks. The impact extends beyond simple data theft to potentially allowing attackers to establish persistent access or perform destructive operations on the affected database.
Mitigation strategies for this vulnerability must address the fundamental lack of input validation across multiple application modules. The primary recommendation involves implementing proper parameterized queries or prepared statements for all database operations, ensuring that user input is never directly concatenated into sql commands. Input validation should be enforced at multiple levels including application logic, parameter sanitization, and database layer restrictions. Additionally, implementing proper access controls and least privilege principles can limit the damage from successful exploitation attempts. Security patches should be applied immediately to update MKPortal to versions that address these input validation flaws, while network segmentation and monitoring can help detect exploitation attempts. The vulnerability highlights the importance of comprehensive security testing including dynamic application security testing and input validation reviews to identify similar issues across all application modules. Organizations should also implement web application firewalls to detect and block sql injection attempts, though this should be considered a supplementary measure rather than a primary defense against the underlying vulnerability.