CVE-2009-4992 in LM Starmail Paidmail
Summary
by MITRE
SQL injection vulnerability in paidbanner.php in LM Starmail Paidmail 2.0 allows remote attackers to execute arbitrary SQL commands via the ID parameter.
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Analysis
by VulDB Data Team • 12/08/2024
The vulnerability identified as CVE-2009-4992 represents a critical SQL injection flaw within the LM Starmail Paidmail 2.0 web application, specifically affecting the paidbanner.php script. This vulnerability resides in the handling of user input through the ID parameter, which is processed without adequate sanitization or validation mechanisms. The flaw enables remote attackers to manipulate the application's database interactions by injecting malicious SQL code through the targeted parameter, potentially compromising the entire backend database system.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted ID parameter value that contains SQL commands rather than legitimate identifier data. The application fails to properly escape or filter user-supplied input before incorporating it into database queries, creating an environment where attacker-controlled SQL syntax can be executed within the database context. This type of vulnerability falls under the CWE-89 classification for SQL Injection, which is categorized as a serious weakness in software applications that allows attackers to manipulate database queries through input fields.
From an operational perspective, the impact of this vulnerability extends far beyond simple data theft or modification. Remote attackers can leverage this weakness to perform unauthorized database operations including but not limited to data extraction, modification, deletion, or even privilege escalation within the database system. The vulnerability affects the confidentiality, integrity, and availability of the application's data, potentially leading to complete system compromise. Attackers may also use this entry point to establish persistent access or to pivot to other systems within the network infrastructure.
The attack surface for this vulnerability is particularly concerning as it allows remote exploitation without requiring authentication or prior access to the system. The attacker only needs to identify the vulnerable URL endpoint and craft malicious input parameters to execute their payload. This characteristic makes the vulnerability highly attractive to automated attack tools and increases the risk of widespread exploitation. The vulnerability demonstrates poor input validation practices and highlights the importance of implementing proper parameterized queries or prepared statements to prevent such injection attacks.
Organizations should implement immediate mitigations including input validation and sanitization of all user-supplied parameters, particularly those used in database operations. The recommended approach involves implementing parameterized queries or prepared statements that separate SQL code from data, ensuring that user input cannot alter the intended structure of database commands. Additionally, proper access controls and database privilege management should be enforced to limit the potential damage from successful exploitation attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, following the principles outlined in the OWASP Top Ten and MITRE ATT&CK framework for web application security. The vulnerability serves as a reminder of the critical importance of secure coding practices and the need for comprehensive security testing throughout the software development lifecycle.