CVE-2006-2835 in saphplesson
Summary
by MITRE
SQL injection vulnerability in saphplesson 2.0 allows remote attackers to execute arbitrary SQL commands via the (1) forumid parameter in add.php and (2) lessid parameter in show.php.
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Analysis
by VulDB Data Team • 07/28/2018
The vulnerability identified as CVE-2006-2835 represents a critical SQL injection flaw within the saphplesson 2.0 web application, specifically affecting the forumid parameter in add.php and the lessid parameter in show.php. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which classifies SQL injection as a fundamental weakness in application security. The flaw enables remote attackers to manipulate database queries through malicious input, potentially compromising the entire backend database system. The affected parameters operate within the application's user interaction points, where forumid in add.php and lessid in show.php are directly incorporated into SQL query construction without proper input validation or sanitization mechanisms.
The technical exploitation of this vulnerability occurs when an attacker submits malicious SQL code through the vulnerable parameters, allowing the application to execute unintended database commands. This occurs because the saphplesson 2.0 application fails to implement proper parameterized queries or input sanitization for user-supplied data. When the forumid parameter in add.php or lessid parameter in show.php receives unvalidated input, the application directly concatenates this data into SQL statements, creating opportunities for attackers to inject malicious SQL syntax. The vulnerability demonstrates a classic lack of input validation and output encoding practices that are fundamental to preventing SQL injection attacks, as outlined in the OWASP Top Ten Project and the ATT&CK framework's T1190 technique for SQL injection.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potentially full database access capabilities. Remote attackers could execute commands such as data extraction, modification, deletion, or even privilege escalation within the database system. The vulnerability affects the application's integrity and confidentiality, potentially exposing sensitive user information, lesson content, or administrative data. Given that this vulnerability exists in a lesson management system, attackers might gain access to educational content, user credentials, or administrative controls, creating significant risks for organizations relying on the saphplesson platform. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the system, making it particularly dangerous for web-based applications.
Mitigation strategies for CVE-2006-2835 must address the fundamental lack of input validation and proper query construction within the saphplesson 2.0 application. Organizations should implement parameterized queries or prepared statements for all database interactions, ensuring that user input is properly escaped or separated from SQL command structures. Input validation should be enforced at multiple levels, including client-side and server-side checks, with strict sanitization of all parameters before database processing. The application should also implement proper error handling that does not expose database structure information to users, as this could aid further exploitation attempts. Additionally, access controls and privilege management should be reviewed to ensure that database accounts used by the application have minimal required permissions, following the principle of least privilege. The vulnerability highlights the critical importance of secure coding practices and regular security assessments, as recommended in NIST SP 800-53 and ISO/IEC 27001 standards for information security management. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious SQL injection patterns and provide additional layers of protection against such attacks.