CVE-2006-3012 in phpBannerExchange
Summary
by MITRE
SQL injection vulnerability in phpBannerExchange before 2.0 Update 6 allows remote attackers to execute arbitrary SQL commands via the (1) login parameter in (a) client/stats.php and (b) admin/stats.php, or the (2) pass parameter in client/stats.php.
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Analysis
by VulDB Data Team • 07/12/2021
The CVE-2006-3012 vulnerability represents a critical sql injection flaw in phpBannerExchange software versions prior to 2.0 Update 6, demonstrating a fundamental weakness in input validation and query construction practices. This vulnerability specifically targets the client and admin statistics pages where user credentials are processed through the login and pass parameters, creating an exploitable pathway for remote attackers to manipulate database operations. The flaw resides in the application's failure to properly sanitize or escape user-supplied input before incorporating it into sql queries, allowing malicious actors to inject arbitrary sql commands that bypass authentication mechanisms.
The technical exploitation of this vulnerability occurs through carefully crafted input strings that manipulate the sql query execution flow within the application's authentication routines. When attackers submit malicious data through the login parameter in client/stats.php or admin/stats.php, or through the pass parameter in client/stats.php, the application processes these inputs without adequate sanitization, enabling sql injection attacks. This vulnerability directly maps to CWE-89 which defines sql injection as the improper handling of sql queries where user input is directly incorporated into database commands without proper validation or escaping. The attack vector operates at the application layer, requiring no special privileges beyond network access to the vulnerable web application.
The operational impact of this vulnerability extends beyond simple unauthorized access, as successful exploitation allows attackers to execute arbitrary sql commands on the underlying database system. This capability enables attackers to extract sensitive information including user credentials, modify database contents, delete records, or even escalate privileges within the database environment. The vulnerability affects both client and administrator interfaces, potentially providing attackers with complete control over the banner exchange system's data and functionality. According to ATT&CK framework category T1190 for exploit public-facing application, this vulnerability represents a classic example of how insecure input handling can lead to complete system compromise. The impact is particularly severe given that the vulnerability affects authentication mechanisms, potentially allowing attackers to bypass security controls entirely.
Mitigation strategies for CVE-2006-3012 require immediate implementation of proper input validation and parameterized queries to prevent sql injection attacks. Organizations should upgrade to phpBannerExchange version 2.0 Update 6 or later, which contains the necessary security patches addressing this vulnerability. Additionally, implementing proper input sanitization techniques including escaping special characters, using prepared statements with parameterized queries, and employing web application firewalls can provide layered defense against similar vulnerabilities. The remediation process should include thorough code review to identify other potential sql injection points within the application and implementing secure coding practices that align with industry standards such as those recommended by the owasp foundation. Regular security assessments and vulnerability scanning should be conducted to ensure that similar weaknesses do not exist in other parts of the web application infrastructure.