CVE-2018-17428 in EasyWeb Five
Summary
by MITRE
An issue was discovered in OPAC EasyWeb Five 5.7. There is SQL injection via the w2001/index.php?scelta=campi biblio parameter.
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Analysis
by VulDB Data Team • 07/29/2025
The vulnerability identified as CVE-2018-17428 represents a critical SQL injection flaw within OPAC EasyWeb Five version 5.7, specifically affecting the web application's handling of user input through the w2001/index.php?scelta=campi biblio parameter. This issue exposes the system to unauthorized database access and potential data manipulation, as the application fails to properly validate or sanitize input received through this particular parameter path. The vulnerability exists in the context of library management systems where sensitive bibliographic data is stored and retrieved, making it particularly concerning for organizations relying on such platforms for their cataloging and information management needs.
The technical implementation of this vulnerability stems from improper input validation within the application's backend processing logic. When users interact with the bibliographic parameter through the specified URL structure, the system directly incorporates user-supplied data into SQL query constructions without adequate sanitization measures. This allows malicious actors to inject arbitrary SQL commands that can be executed within the database context, potentially enabling full database compromise. The flaw aligns with CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands, making it a classic example of SQL injection vulnerability that violates fundamental database security principles.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potential access to complete bibliographic databases containing sensitive information about library collections, patron records, and system configurations. An attacker could exploit this weakness to extract confidential data, modify existing records, or even escalate privileges within the database environment. The attack surface is particularly dangerous because it affects a core library management function that likely handles numerous user interactions and data entries. This vulnerability also aligns with ATT&CK technique T1071.005 for application layer protocol usage and T1190 for exploit public-facing application, making it a significant target for automated exploitation campaigns.
Organizations affected by this vulnerability should implement immediate mitigations including input validation and parameterized queries to prevent SQL injection attacks. The recommended approach involves implementing proper input sanitization at all entry points, utilizing prepared statements with parameterized queries, and applying the principle of least privilege to database accounts. Additionally, network segmentation and intrusion detection systems should monitor for suspicious SQL query patterns. Regular security updates and vulnerability assessments should be conducted to identify similar weaknesses in other components of the library management system. The fix should include comprehensive testing to ensure that all parameter handling within the application is properly validated and that the system maintains robust defenses against injection attacks while preserving legitimate functionality for authorized users.