CVE-2010-5000 in MCLogin System
Summary
by MITRE
SQL injection vulnerability in login/login_index.php in MCLogin System 1.1 and 1.2 allows remote attackers to execute arbitrary SQL commands via the myusername parameter (aka Username field) in a do_login action. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 06/07/2025
The vulnerability described in CVE-2010-5000 represents a critical SQL injection flaw within the MCLogin System version 1.1 and 1.2 authentication mechanism. This security weakness specifically targets the login/login_index.php script where user credentials are processed through the myusername parameter, also known as the Username field. The vulnerability allows remote attackers to manipulate the database query execution flow by injecting malicious SQL code through the authentication interface, potentially gaining unauthorized access to sensitive user data and system resources.
The technical exploitation of this vulnerability occurs when the application fails to properly sanitize or escape user input before incorporating it into SQL database queries. When an attacker submits a specially crafted username value containing SQL injection payloads, the system processes this input directly within the database command without adequate validation or encoding. This failure to implement proper input sanitization creates a pathway for attackers to execute arbitrary SQL commands, potentially leading to data breaches, privilege escalation, or complete database compromise. The vulnerability falls under CWE-89 which specifically addresses SQL injection flaws where untrusted data is incorporated into SQL commands without proper escaping or parameterization.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to extract sensitive information from the database including user credentials, personal data, and system configurations. Attackers may leverage this vulnerability to escalate privileges, modify database records, or even execute system commands if the database server has appropriate permissions. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the system, making it particularly dangerous for web applications handling sensitive user information. This vulnerability directly aligns with ATT&CK technique T1190 which describes exploiting vulnerabilities in web applications to gain unauthorized access to systems.
Mitigation strategies for CVE-2010-5000 should focus on implementing proper input validation and parameterized queries to prevent SQL injection attacks. Organizations should immediately upgrade to a patched version of MCLogin System or implement proper input sanitization measures including the use of prepared statements and parameterized queries. Additionally, input validation should be enforced at multiple layers including application-level filtering, database-level restrictions, and network-level firewalls. Security measures such as web application firewalls, database activity monitoring, and regular security assessments should be implemented to detect and prevent exploitation attempts. The vulnerability highlights the critical importance of secure coding practices and proper database access controls in preventing unauthorized data access through authentication mechanisms.