CVE-2010-4812 in 6kbbs
Summary
by MITRE
Multiple SQL injection vulnerabilities in 6kbbs 8.0 build 20100901 allow remote attackers to execute arbitrary SQL commands via the (1) tids[] parameter to ajaxadmin.php and the (2) msgids[] parameter to ajaxmember.php.
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Analysis
by VulDB Data Team • 02/10/2019
The vulnerability identified as CVE-2010-4812 represents a critical SQL injection flaw affecting the 6kbbs 8.0 content management system with build 20100901. This vulnerability manifests through two distinct attack vectors that enable remote attackers to execute arbitrary SQL commands against the underlying database system. The first vector involves the tids[] parameter within the ajaxadmin.php script, while the second vector targets the msgids[] parameter in the ajaxmember.php script. Both attack paths demonstrate the dangerous potential for unauthorized database access and manipulation that characterizes SQL injection vulnerabilities.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the affected scripts. When user-supplied data is directly incorporated into SQL query constructions without proper escaping or parameterization, attackers can inject malicious SQL code that alters the intended query behavior. The tids[] parameter in ajaxadmin.php and msgids[] parameter in ajaxmember.php likely accept array inputs that are concatenated directly into database queries without adequate filtering mechanisms. This design flaw allows attackers to manipulate the SQL execution flow and potentially extract, modify, or delete sensitive database records.
The operational impact of CVE-2010-4812 extends beyond simple data theft to encompass complete system compromise potential. Remote attackers could leverage these vulnerabilities to gain unauthorized access to sensitive user information, including credentials, personal data, and system configuration details. The administrative functionality exposed through the ajaxadmin.php script with tids[] parameter presents particular risk as it could enable attackers to escalate privileges or manipulate system settings. Additionally, the vulnerability affects both administrative and member functionality, creating multiple attack surfaces that could be exploited in coordinated attacks. Database-level consequences include potential data corruption, unauthorized data modification, and complete system availability disruption through denial-of-service conditions.
Mitigation strategies for CVE-2010-4812 should prioritize immediate implementation of input validation and parameterized query approaches. Organizations should implement proper input sanitization techniques that filter or escape special characters before database processing. The use of prepared statements or parameterized queries represents the most effective defense mechanism against SQL injection attacks, as these approaches separate SQL code from data, preventing malicious input from altering query structure. System administrators should also apply the vendor-provided security patches or updates for 6kbbs 8.0 to address the root cause of these vulnerabilities. Network-level protections including web application firewalls and intrusion detection systems can provide additional monitoring and blocking capabilities for known attack patterns. The vulnerability aligns with CWE-89 which specifically addresses SQL injection flaws, and represents a direct threat to the CIA triad with potential impacts to confidentiality, integrity, and availability. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control through database manipulation and credential access through data extraction. Organizations should also implement comprehensive monitoring of database access patterns and query execution to detect anomalous behavior that might indicate exploitation attempts. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other web applications and database interfaces.