CVE-2007-3589 in b1gBB
Summary
by MITRE
Multiple SQL injection vulnerabilities in b1gbb 2.24.0 allow remote attackers to execute arbitrary SQL commands via the id parameter to (1) showthread.php or (2) showboard.php.
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Analysis
by VulDB Data Team • 09/23/2024
The vulnerability identified as CVE-2007-3589 represents a critical security flaw in the b1gbb 2.24.0 bulletin board software that exposes the application to remote SQL injection attacks. This vulnerability specifically affects two key files within the software ecosystem: showthread.php and showboard.php, both of which process user input through the id parameter without adequate sanitization or validation mechanisms. The flaw allows malicious actors to inject arbitrary SQL commands directly into the database query execution flow, potentially compromising the entire backend database infrastructure.
The technical nature of this vulnerability aligns with CWE-89, which categorizes SQL injection as a condition where user-provided data is directly incorporated into SQL queries without proper escaping or parameterization. The b1gbb software fails to implement proper input validation and output encoding for the id parameter, creating an attack surface where an attacker can manipulate database queries by appending malicious SQL payloads to the parameter value. This vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous as it can be leveraged by any remote attacker with access to the affected web application.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to execute arbitrary database commands with the privileges of the database user account under which the application operates. Successful exploitation could result in complete database compromise, including data exfiltration, data modification, unauthorized user account creation, and potential lateral movement within the network infrastructure. The vulnerability affects the core functionality of the bulletin board system, making it impossible for legitimate users to access or interact with the application while the attack is ongoing, potentially causing service disruption and business continuity issues.
Mitigation strategies for this vulnerability should include immediate implementation of proper parameterized queries or prepared statements to prevent SQL injection attacks, along with comprehensive input validation and sanitization of all user-supplied parameters. Organizations should implement web application firewalls to detect and block malicious SQL injection attempts, and conduct regular security assessments to identify similar vulnerabilities in other applications. The remediation process requires updating the affected software to a patched version or implementing proper input validation mechanisms that prevent the id parameter from being directly incorporated into SQL queries. Additionally, following the principle of least privilege by ensuring database accounts used by the application have minimal required permissions can limit the potential damage from successful exploitation attempts. This vulnerability demonstrates the critical importance of secure coding practices and the need for regular security updates in web applications, as highlighted in the ATT&CK framework's methodology for exploiting application vulnerabilities through injection techniques.