CVE-2007-3190 in Just For Fun Network Management System
Summary
by MITRE
Multiple SQL injection vulnerabilities in auth.php in Just For Fun Network Management System (JFFNMS) 0.8.3, when magic_quotes_gpc is disabled, allow remote attackers to execute arbitrary SQL commands via the (1) user and (2) pass parameters.
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Analysis
by VulDB Data Team • 09/17/2025
The vulnerability identified as CVE-2007-3190 represents a critical SQL injection flaw within the Just For Fun Network Management System version 0.8.3. This vulnerability specifically affects the authentication component of the system through the auth.php script, creating a pathway for remote attackers to manipulate the underlying database through crafted input parameters. The vulnerability occurs exclusively when the PHP configuration parameter magic_quotes_gpc is disabled, which removes the automatic escaping of special characters in GET, POST, and COOKIE data, leaving the application susceptible to malicious input manipulation.
The technical flaw manifests through two primary vulnerable parameters within the authentication process: user and pass. These parameters are directly incorporated into SQL queries without proper sanitization or parameterization, allowing attackers to inject malicious SQL code that executes within the database context. When magic_quotes_gpc is disabled, the application fails to automatically escape special characters that could alter the SQL query structure, enabling attackers to construct payloads that bypass authentication mechanisms and potentially gain unauthorized access to sensitive data or system functionality. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into SQL commands without proper validation or escaping mechanisms.
The operational impact of this vulnerability extends beyond simple authentication bypass, as successful exploitation could lead to complete database compromise, unauthorized data access, modification of user credentials, and potential lateral movement within network infrastructure managed by JFFNMS. Attackers could leverage this vulnerability to escalate privileges, extract confidential information, or even execute arbitrary commands on the database server. The remote nature of this attack vector means that adversaries do not require physical access to the system or network, making it particularly dangerous for network management systems that often contain sensitive infrastructure information. This vulnerability aligns with ATT&CK technique T1190, which describes exploiting vulnerabilities in remote services to gain unauthorized access.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and parameterized queries within the application code. The most effective immediate fix involves enabling magic_quotes_gpc or implementing comprehensive input sanitization routines that properly escape or validate all user-supplied data before incorporating it into SQL queries. Additionally, the system should be updated to a patched version of JFFNMS that addresses this vulnerability, as the original version 0.8.3 is no longer supported. Organizations should also implement network segmentation and monitoring to detect anomalous authentication attempts and SQL injection patterns. The vulnerability demonstrates the critical importance of proper database security practices and the dangers of relying on server configuration settings for security protection rather than implementing robust application-level defenses against injection attacks.