CVE-2008-4753 in RSS Reader
Summary
by MITRE
SQL injection vulnerability in EditUrl.php in AJ Square RSS Reader allows remote attackers to execute arbitrary SQL commands via the url parameter.
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Analysis
by VulDB Data Team • 11/09/2024
The CVE-2008-4753 vulnerability represents a critical sql injection flaw within the AJ Square RSS Reader application, specifically in the EditUrl.php component. This vulnerability exposes the system to remote code execution attacks through improper input validation mechanisms. The flaw occurs when the application fails to adequately sanitize user-supplied data passed through the url parameter, allowing malicious actors to inject crafted sql commands that bypass normal authentication and authorization controls. Such vulnerabilities fall under the CWE-89 category, which specifically addresses sql injection weaknesses in software applications.
The technical exploitation of this vulnerability enables attackers to manipulate the underlying database through carefully crafted malicious input. When a user provides a specially formatted url parameter value, the application processes this input without proper sanitization, allowing sql commands to be executed with the privileges of the database user. This can result in unauthorized data access, modification, or deletion of sensitive information stored within the rss reader database. The vulnerability demonstrates poor input validation practices and highlights the critical importance of implementing proper parameterized queries or input sanitization mechanisms.
The operational impact of CVE-2008-4753 extends beyond simple data compromise to potentially enable full system infiltration. Attackers can leverage this vulnerability to extract confidential information, modify rss feed configurations, or even escalate privileges to gain administrative access to the underlying system. The remote nature of this attack vector means that exploitation can occur from anywhere on the internet without requiring physical access to the target system. This vulnerability aligns with ATT&CK technique T1190 which describes exploitation of remote services, and T1071.004 which covers application layer protocol manipulation.
Organizations affected by this vulnerability should implement immediate mitigations including input validation and sanitization measures, parameterized queries, and proper access controls. The recommended approach involves implementing strict input filtering that rejects or escapes special sql characters, deploying web application firewalls to detect suspicious patterns, and conducting thorough code reviews to identify similar vulnerabilities in other components. Additionally, regular security assessments and vulnerability scanning should be performed to ensure comprehensive protection against sql injection attacks. The remediation process should follow industry standards such as those outlined in the OWASP Top Ten Project and NIST guidelines for secure coding practices.