CVE-2018-7282 in PrintMonitor
Summary
by MITRE
The username parameter of the TITool PrintMonitor solution during the login request is vulnerable to and/or time-based blind SQLi.
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Analysis
by VulDB Data Team • 12/07/2019
The vulnerability identified as CVE-2018-7282 resides within the TITool PrintMonitor solution's authentication mechanism, specifically targeting the username parameter handling during login requests. This flaw represents a critical security weakness that exposes the system to unauthorized access attempts through sophisticated SQL injection techniques. The vulnerability manifests when the application fails to properly sanitize or validate user input submitted through the username field, creating an exploitable entry point for malicious actors seeking to manipulate the underlying database queries.
The technical implementation of this vulnerability falls under the category of time-based blind SQL injection as classified by CWE-89, where attackers can infer database contents through response timing variations rather than direct data retrieval. The flaw operates by crafting malicious payloads that cause the database server to delay responses when certain conditions are met, allowing attackers to extract information through iterative probing. This method requires no direct output display of database contents, making detection more challenging while still enabling comprehensive data exfiltration. The attack vector leverages the application's failure to implement proper input validation and parameterized queries, which are fundamental security controls recommended by the OWASP Top Ten and NIST cybersecurity guidelines.
The operational impact of this vulnerability extends beyond simple authentication bypass attempts, as successful exploitation could lead to complete database compromise, unauthorized data access, and potential system infiltration. Attackers could leverage this vulnerability to enumerate database schemas, extract user credentials, and potentially escalate privileges within the system. The time-based nature of the attack makes it particularly dangerous as it can operate silently in the background, allowing for extended reconnaissance phases without immediate detection. This vulnerability particularly affects environments where the PrintMonitor solution handles sensitive user information and where database access controls are not properly implemented.
Mitigation strategies should prioritize immediate implementation of parameterized queries and input validation mechanisms to prevent SQL injection attacks. Organizations must ensure that all user-supplied input undergoes strict sanitization before being processed by database systems, following the principle of least privilege and implementing proper access controls. The solution requires deployment of web application firewalls and intrusion detection systems to monitor for suspicious query patterns and timing anomalies. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, as this type of flaw often indicates broader architectural security weaknesses that may affect other system interfaces. Implementation of proper error handling and logging mechanisms will also aid in early detection of exploitation attempts and provide valuable forensic data for incident response activities.