CVE-2012-6626 in Browser To Email Phone Message System
Summary
by MITRE
SQL injection vulnerability in verify-user.php in b2ePMS 1.0 allows remote attackers to execute arbitrary SQL commands via the username field.
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Analysis
by VulDB Data Team • 12/23/2024
The CVE-2012-6626 vulnerability represents a critical sql injection flaw in the b2ePMS 1.0 web application that fundamentally compromises the integrity and confidentiality of user authentication mechanisms. This vulnerability specifically targets the verify-user.php script, which serves as a crucial component in the application's user verification process. The flaw arises from insufficient input validation and sanitization within the username parameter handling, creating an exploitable pathway for malicious actors to manipulate the underlying database queries. The vulnerability classification aligns with CWE-89 which identifies improper neutralization of special elements used in an sql command, making it a canonical example of sql injection attacks that have plagued web applications for decades. Security researchers have long recognized sql injection as one of the most dangerous vulnerabilities due to its potential for data breach, privilege escalation, and complete system compromise.
The technical exploitation of this vulnerability occurs when an attacker submits maliciously crafted input through the username field in the verify-user.php script. The application fails to properly escape or parameterize the user input before incorporating it into sql queries, allowing attackers to inject arbitrary sql commands that execute with the privileges of the database user. This creates a scenario where an attacker can bypass authentication mechanisms, extract sensitive user data, modify database contents, or even gain shell access to the underlying system. The vulnerability's remote nature means that attackers do not require physical access to the system and can exploit it from anywhere on the internet. The specific context of this flaw within b2ePMS 1.0 demonstrates how open source applications often suffer from inadequate security testing and validation, particularly in authentication modules that handle sensitive user information. The attack vector follows standard sql injection patterns where special characters such as single quotes, semicolons, and comment markers are used to manipulate the intended query flow.
The operational impact of CVE-2012-6626 extends far beyond simple data theft, potentially enabling complete system compromise and persistent access to affected environments. Organizations using b2ePMS 1.0 would face significant risks including unauthorized access to user credentials, financial data exposure, and potential regulatory violations under data protection laws. The vulnerability's presence in a user verification script particularly amplifies its danger since successful exploitation can lead to privilege escalation attacks where attackers gain administrative access to the entire application. This type of vulnerability often serves as a stepping stone for more sophisticated attacks in the ATT&CK framework, specifically falling under the credential access and execution tactics where attackers can leverage initial access to establish persistence and move laterally within networks. The long-term implications include potential data breaches that could affect thousands of users, legal consequences, and significant reputational damage to organizations that fail to address such vulnerabilities promptly.
Mitigation strategies for CVE-2012-6626 must address both immediate remediation and long-term security improvements within the b2ePMS 1.0 framework. The primary solution involves implementing proper input validation and parameterized queries throughout the application, ensuring that all user inputs are properly sanitized before database interaction. Organizations should deploy web application firewalls and input filtering mechanisms that can detect and block sql injection attempts in real-time. The implementation of prepared statements and stored procedures eliminates the risk of sql injection by separating sql code from data, which directly addresses the root cause identified in CWE-89. Additionally, regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components of the application. Organizations should also implement principle of least privilege for database accounts, ensuring that web applications only have necessary permissions to prevent escalation of privileges even if an attacker successfully exploits the vulnerability. The vulnerability serves as a reminder of the critical importance of security in open source applications and the necessity for continuous monitoring and updating of third-party components to maintain robust security postures.