CVE-2006-6540 in Bluetrait
Summary
by MITRE
SQL injection vulnerability in bt-trackback.php in Bluetrait before 1.2.0, when trackback is enabled, allows remote attackers to execute arbitrary SQL commands via unspecified parameters. NOTE: some of these details are obtained from third party information.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 08/10/2018
The vulnerability identified as CVE-2006-6540 represents a critical SQL injection flaw within the bt-trackback.php component of the Bluetrait content management system. This vulnerability specifically affects versions prior to 1.2.0 and becomes exploitable when the trackback functionality is enabled on the web application. The flaw resides in how the application processes user-supplied input through unspecified parameters within the trackback mechanism, creating a pathway for malicious actors to inject arbitrary SQL commands into the underlying database query execution process. The vulnerability classification aligns with CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database engine, making it a fundamental weakness in data integrity and security controls.
The technical exploitation of this vulnerability occurs through the manipulation of trackback parameters that are not properly sanitized or validated before being incorporated into SQL queries. When a user submits a trackback request, the bt-trackback.php script processes these inputs without adequate input filtering or parameterization, allowing an attacker to craft malicious input that alters the intended database query structure. This enables attackers to execute unauthorized database operations including data retrieval, modification, deletion, or even administrative commands depending on the database permissions. The vulnerability demonstrates a classic lack of proper input validation and output encoding practices that are fundamental to preventing injection attacks according to industry security standards and best practices.
The operational impact of this vulnerability extends beyond simple data compromise to potentially enable full system takeover or complete database exposure. An attacker who successfully exploits this vulnerability can gain unauthorized access to sensitive information stored within the Bluetrait application's database, including user credentials, content management data, and potentially system configuration details. The attack vector through trackback functionality suggests that even legitimate users who submit trackback links could be exploited, making this vulnerability particularly dangerous in environments where external trackback submissions are accepted. This weakness directly violates the principle of least privilege and demonstrates inadequate security controls in the application's input handling mechanisms, which is consistent with ATT&CK technique T1071.004 for application layer protocol manipulation.
Mitigation strategies for this vulnerability require immediate implementation of the vendor-provided patch or upgrade to Bluetrait version 1.2.0 or later where the SQL injection flaw has been addressed. Organizations should implement input validation and parameterized queries to prevent similar vulnerabilities in other components of their applications, following the principle of input sanitization and proper database query construction. Additionally, network segmentation and access controls should be implemented to limit exposure of vulnerable components, while regular security assessments and penetration testing should be conducted to identify and remediate similar weaknesses in the application architecture. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date software versions and implementing robust input validation controls across all web application components, particularly those handling user-submitted data.