CVE-2006-2855 in xueBook
Summary
by MITRE
SQL injection vulnerability in index.php in xueBook 1.0 allows remote attackers to execute arbitrary SQL commands via the start parameter.
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Analysis
by VulDB Data Team • 07/28/2018
The vulnerability identified as CVE-2006-2855 represents a critical sql injection flaw within the xueBook 1.0 web application, specifically targeting the index.php script. This vulnerability exposes the application to remote code execution risks through improper input validation mechanisms. The affected parameter named 'start' in the web application's request processing chain creates an avenue for malicious actors to inject arbitrary sql commands directly into the database query execution flow. The flaw stems from the application's failure to properly sanitize or escape user-supplied input before incorporating it into sql statements, creating a direct path for sql injection attacks.
This vulnerability operates at the application layer and directly impacts the integrity and confidentiality of the underlying database system. The sql injection occurs when the application processes the start parameter without adequate validation, allowing attackers to manipulate the sql query structure. The attack vector is particularly dangerous as it enables remote exploitation without requiring authentication or specialized privileges. Attackers can leverage this vulnerability to extract sensitive data, modify database records, or even gain administrative control over the database system. The vulnerability's impact is amplified by the fact that it affects the core index.php script, which likely serves as the primary entry point for user interactions within the application.
From a cybersecurity perspective, this vulnerability aligns with CWE-89 which specifically addresses sql injection flaws in software applications. The attack pattern follows typical sql injection methodologies where malicious input is processed as part of sql commands rather than as data, violating fundamental security principles of input validation and output encoding. The operational impact extends beyond simple data theft to encompass complete system compromise, as successful exploitation could lead to unauthorized access to sensitive user information, modification of application data, or even system-wide database corruption. This vulnerability also represents a significant concern from an attacker's perspective as it provides a straightforward path to database manipulation through the web interface.
Organizations should implement immediate mitigations including input validation, parameterized queries, and proper output encoding to prevent sql injection attacks. The recommended approach involves sanitizing all user inputs through strict validation mechanisms and employing prepared statements or parameterized queries to separate sql commands from data. Additionally, implementing web application firewalls and input filtering rules can provide additional layers of protection against such attacks. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. The vulnerability also underscores the importance of keeping web applications updated with security patches and following secure coding practices as outlined in industry standards such as the owasp top ten and the cwe/sans top 25 software weaknesses. System administrators should also monitor database logs for suspicious activities and implement proper access controls to limit potential damage from successful attacks.