CVE-2008-5815 in phpAlumni
Summary
by MITRE
SQL injection vulnerability in Acomment.php in phpAlumni allows remote attackers to execute arbitrary SQL commands via the id parameter.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 11/21/2024
The CVE-2008-5815 vulnerability represents a critical sql injection flaw within the phpAlumni application's Acomment.php component. This vulnerability specifically targets the id parameter, which serves as an entry point for malicious sql commands. The flaw exists in the application's input validation mechanisms, where user-supplied data is directly incorporated into sql query constructions without proper sanitization or parameterization. Attackers can exploit this weakness by crafting malicious sql payloads through the id parameter, potentially gaining unauthorized access to the underlying database system. The vulnerability demonstrates a classic lack of input sanitization that violates fundamental secure coding practices and represents a significant risk to web application security.
The technical implementation of this vulnerability stems from improper handling of user input within the Acomment.php script. When the id parameter is processed, the application fails to validate or escape special characters that could alter the intended sql query structure. This creates an environment where an attacker can inject malicious sql code that gets executed within the database context. The vulnerability aligns with CWE-89, which specifically addresses sql injection weaknesses in software applications. The flaw essentially allows attackers to manipulate the database query execution flow, potentially enabling data extraction, modification, or deletion operations. The attack vector is straightforward and accessible, requiring minimal technical expertise to exploit, making it particularly dangerous in production environments.
The operational impact of this vulnerability extends beyond simple data theft or corruption. Successful exploitation can result in complete database compromise, allowing attackers to access sensitive user information, modify application data, or even escalate privileges within the database system. The vulnerability affects the confidentiality, integrity, and availability of the phpAlumni application's data resources. Organizations running affected versions face significant risk of unauthorized data access and potential regulatory compliance violations. The vulnerability's remote nature means attackers do not require local system access, enabling exploitation from anywhere on the internet. This characteristic makes the vulnerability particularly attractive to automated attack tools and increases the attack surface significantly.
Mitigation strategies for CVE-2008-5815 must address both immediate remediation and long-term security improvements. The primary solution involves implementing proper input validation and parameterized queries within the Acomment.php script. This includes sanitizing all user-supplied input, particularly the id parameter, through proper escaping or validation techniques. Organizations should adopt prepared statements or parameterized queries to prevent sql injection attacks. Additionally, implementing web application firewalls and input filtering mechanisms can provide additional layers of protection. Security hardening practices such as least privilege database access, regular security audits, and application code reviews should be implemented. The vulnerability also highlights the importance of keeping web applications updated with security patches, as this issue was likely resolved in subsequent versions of phpAlumni. Organizations should follow ATT&CK framework guidance for defensive measures against sql injection attacks, focusing on prevention through proper input handling and detection through monitoring for suspicious sql patterns.