CVE-2009-0740 in BlueBird
Summary
by MITRE
SQL injection vulnerability in login.php in BlueBird Prelease allows remote attackers to execute arbitrary SQL commands via the (1) username and (2) passwd parameters.
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Analysis
by VulDB Data Team • 11/23/2024
The vulnerability identified as CVE-2009-0740 represents a critical SQL injection flaw in the BlueBird Prelease application's login.php script. This vulnerability specifically affects the authentication mechanism where user credentials are processed through the username and passwd parameters, creating an exploitable entry point for remote attackers. The flaw resides in the application's improper handling of user input within SQL query construction, allowing malicious actors to manipulate the database queries through crafted input values. This vulnerability directly maps to CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields that are then executed by the database server.
The technical implementation of this vulnerability enables attackers to bypass authentication mechanisms and gain unauthorized access to the application's backend database. When the login.php script processes the username and passwd parameters, it fails to properly sanitize or escape user input before incorporating it into SQL queries. Attackers can exploit this by injecting malicious SQL fragments that alter the intended query logic, potentially extracting sensitive data, modifying user accounts, or even executing administrative commands on the database server. The vulnerability's remote nature means that attackers do not require local system access or physical proximity to exploit the flaw, making it particularly dangerous in networked environments.
The operational impact of CVE-2009-0740 extends beyond simple unauthorized access to encompass potential data breaches, privilege escalation, and system compromise. Successful exploitation could result in the exposure of user credentials, personal information, and other sensitive data stored within the application's database. The vulnerability's presence in a login mechanism also opens pathways for attackers to escalate privileges and potentially gain deeper system access. According to ATT&CK framework, this vulnerability aligns with T1190 (Exploit Public-Facing Application) and T1071.004 (Application Layer Protocol: DNS) where attackers might use the compromised system as a pivot point for further network exploration. Organizations using BlueBird Prelease would face significant security risks including potential compliance violations and reputational damage.
Mitigation strategies for CVE-2009-0740 should prioritize immediate implementation of input validation and parameterized queries to prevent SQL injection attacks. The most effective approach involves adopting prepared statements or parameterized queries that separate SQL code from user input, ensuring that malicious SQL fragments cannot be executed. Additionally, implementing proper input sanitization, output encoding, and least privilege access controls would significantly reduce the attack surface. Organizations should also consider implementing web application firewalls, regular security code reviews, and comprehensive penetration testing to identify and remediate similar vulnerabilities. The remediation process should include immediate patching of the vulnerable login.php script and thorough security auditing of related components to prevent similar issues in other parts of the application stack.