CVE-2007-6091 in Banner System
Summary
by MITRE
Multiple SQL injection vulnerabilities in files/login.asp in JiRo's Banner System (JBS) 2.0, and possibly JiRo's Upload Manager (aka JiRo's Upload System or JUS), allow remote attackers to execute arbitrary SQL commands via the (1) Username (aka Login or Email) or (2) Password field.
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Analysis
by VulDB Data Team • 09/05/2024
The vulnerability identified as CVE-2007-6091 represents a critical security flaw in JiRo's Banner System version 2.0 and potentially in JiRo's Upload Manager system. This issue manifests as multiple SQL injection vulnerabilities within the files/login.asp component of these web applications, creating a significant attack surface that can be exploited by remote threat actors. The vulnerability specifically affects authentication mechanisms where user credentials are processed through the system's login interface, making it particularly dangerous as it directly targets the core authentication functionality of these applications.
The technical flaw stems from improper input validation and sanitization within the login processing script. When users submit their credentials through the Username (also referred to as Login or Email) or Password fields, the application fails to properly escape or filter special characters that could be interpreted as SQL syntax by the underlying database engine. This allows attackers to inject malicious SQL code that gets executed within the database context, potentially enabling complete database compromise. The vulnerability is classified as a classic SQL injection attack where user-supplied input is directly concatenated into SQL query strings without adequate sanitization. According to CWE standards, this corresponds to CWE-89 which specifically addresses SQL injection vulnerabilities that occur when untrusted data is incorporated into SQL commands without proper validation or escaping mechanisms.
The operational impact of this vulnerability extends far beyond simple credential theft, as successful exploitation can lead to complete system compromise and data exfiltration. Attackers can leverage this vulnerability to execute arbitrary SQL commands, potentially gaining read access to all stored data including user credentials, personal information, and system configuration details. The implications are particularly severe for banner systems and upload managers as these applications often handle sensitive user data and may be integrated with other business-critical systems. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access to the target system, making it an attractive target for automated scanning and exploitation campaigns.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and parameterized query execution throughout the application code. The most effective immediate solution involves converting all database queries to use parameterized statements or prepared queries that separate SQL code from user input data. Additionally, implementing proper input sanitization routines that filter or escape special characters before processing user data can significantly reduce the attack surface. Network-level protections such as web application firewalls and intrusion prevention systems can provide additional defense-in-depth measures. Organizations should also consider implementing proper access controls, regular security audits, and comprehensive monitoring to detect potential exploitation attempts. The remediation process should include thorough code review to identify and address similar vulnerabilities in other parts of the application, as the presence of one SQL injection vulnerability often indicates potential issues with input handling throughout the codebase. This vulnerability demonstrates the critical importance of following secure coding practices and adhering to established security frameworks such as those recommended by the OWASP Top Ten project to prevent injection attacks that remain among the most prevalent and dangerous web application security risks.