CVE-2008-4574 in Ayco Okul Portali
Summary
by MITRE
SQL injection vulnerability in default.asp in Ayco Okul Portali allows remote attackers to execute arbitrary SQL commands via the linkid parameter.
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Analysis
by VulDB Data Team • 11/07/2024
The CVE-2008-4574 vulnerability represents a critical sql injection flaw in the Ayco Okul Portali web application, specifically within the default.asp script. This vulnerability arises from inadequate input validation and sanitization mechanisms that fail to properly filter user-supplied data before incorporating it into sql queries. The affected parameter, linkid, serves as the primary attack vector where malicious actors can inject sql payload directly through the web interface. The vulnerability stems from the application's failure to implement proper parameterized queries or input sanitization techniques, allowing attackers to manipulate the underlying database operations through crafted malicious input.
The technical exploitation of this vulnerability occurs when an attacker submits specially crafted sql commands through the linkid parameter in the default.asp page. The application processes this input without proper validation, directly concatenating it into sql statements that are then executed against the backend database. This creates a scenario where attackers can perform unauthorized database operations including data retrieval, modification, deletion, or even execute administrative commands on the database server. The vulnerability aligns with CWE-89 which categorizes sql injection as a fundamental weakness in web application security, specifically addressing the improper neutralization of special elements used in sql commands. The attack pattern follows established methodologies described in the ATT&CK framework under technique T1071.004 for application layer protocol manipulation.
The operational impact of this vulnerability extends beyond simple data theft, potentially enabling full system compromise and persistent access to sensitive educational institutional data. Attackers could exploit this flaw to access student records, academic information, administrative data, and potentially escalate privileges to gain deeper system access. The vulnerability affects the confidentiality, integrity, and availability of the Ayco Okul Portali system, making it particularly dangerous for educational institutions that rely on such platforms for managing sensitive student and administrative information. Organizations using this software face significant risk of data breaches, regulatory compliance violations, and potential legal consequences due to the exposure of personal educational data.
Mitigation strategies for CVE-2008-4574 should focus on implementing proper input validation and parameterized queries to prevent sql injection attacks. Organizations should immediately apply the vendor-provided security patches or upgrade to patched versions of the Ayco Okul Portali software. Database access controls should be implemented to limit the privileges of the web application's database user accounts, following the principle of least privilege. Additionally, web application firewalls and intrusion detection systems should be configured to monitor for sql injection patterns and suspicious database access attempts. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in other application components. The remediation approach should align with industry best practices outlined in standards such as owasp top ten and iso 27001 for information security management, ensuring comprehensive protection against sql injection threats.