CVE-2008-2263 in Automated Link Exchange Portal
Summary
by MITRE
SQL injection vulnerability in linking.page.php in Automated Link Exchange Portal allows remote attackers to execute arbitrary SQL commands via the cat_id parameter. NOTE: linking.page.php is commonly renamed to link.php, links.php, etc.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 10/22/2024
This vulnerability resides within the Automated Link Exchange Portal software where a SQL injection flaw exists in the linking.page.php script. The issue specifically manifests through the cat_id parameter which is not properly sanitized before being incorporated into SQL queries. Attackers can exploit this weakness by crafting malicious input through the cat_id parameter to manipulate the underlying database queries, potentially gaining unauthorized access to sensitive data or executing arbitrary database commands. The vulnerability represents a classic input validation failure where user-supplied data flows directly into database operations without adequate filtering or escaping mechanisms.
The technical exploitation of this vulnerability follows standard SQL injection attack patterns where an attacker can manipulate the cat_id parameter to inject malicious SQL code. When the application processes this parameter, it directly incorporates the unsanitized input into SQL statements, creating opportunities for attackers to either extract data through UNION-based queries, modify database contents through UPDATE or DELETE operations, or even execute system commands if the database server permits such functionality. The renaming of linking.page.php to common variants like link.php or links.php indicates this vulnerability may affect multiple installations with different file naming conventions, amplifying the potential attack surface.
The operational impact of this vulnerability extends beyond simple data theft as it can enable complete database compromise. Remote attackers could potentially escalate privileges, access administrative functions, or even use the compromised system as a pivot point for further attacks within the network infrastructure. The vulnerability's persistence across different file naming conventions suggests widespread exposure across various installations, making it particularly dangerous for organizations that have not properly updated or patched their systems. This type of vulnerability directly maps to CWE-89 which categorizes improper neutralization of special elements used in SQL commands, and aligns with ATT&CK technique T1071.004 for application layer protocol manipulation.
Organizations should immediately implement input validation and parameterized queries to prevent such vulnerabilities from being exploited. The recommended mitigation involves sanitizing all user inputs through proper escaping or using prepared statements that separate SQL code from data. Additionally, implementing web application firewalls and input filtering mechanisms can provide additional layers of protection. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the application stack. The vulnerability also highlights the importance of keeping software updated and following secure coding practices as outlined in industry standards such as OWASP Top Ten and NIST guidelines for secure software development. Organizations should also consider implementing database activity monitoring to detect anomalous SQL queries that may indicate exploitation attempts.