CVE-2017-16543 in Applications Manager
Summary
by MITRE
Zoho ManageEngine Applications Manager 13 allows SQL injection via GraphicalView.do, as demonstrated by a crafted viewProps yCanvas field.
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Analysis
by VulDB Data Team • 03/26/2020
The vulnerability CVE-2017-16543 represents a critical SQL injection flaw in Zoho ManageEngine Applications Manager version 13, specifically affecting the GraphicalView.do component. This vulnerability resides within the web application's input validation mechanisms, where user-supplied data is inadequately sanitized before being incorporated into database queries. The attack vector is particularly insidious as it targets the viewProps yCanvas field, which is part of the graphical interface configuration parameters that users can manipulate through the web UI. This allows an attacker to inject malicious SQL code that can be executed within the context of the database connection, potentially leading to complete database compromise.
The technical exploitation of this vulnerability occurs through the GraphicalView.do servlet, which processes user input related to graphical view configurations. When a malicious user submits crafted data containing SQL injection payloads within the yCanvas parameter, the application fails to properly escape or validate this input before incorporating it into SQL queries. This flaw directly maps to CWE-89, which defines SQL injection as the insertion of malicious SQL code into input fields that are then executed by the database. The vulnerability demonstrates poor input sanitization practices and inadequate parameterized query implementation, creating an environment where attacker-controlled data can directly influence database execution paths.
The operational impact of this vulnerability is severe and multifaceted, encompassing data integrity breaches, unauthorized access to sensitive information, and potential system compromise. An attacker could extract confidential data from the database including user credentials, application configuration details, and business-critical information stored within the Applications Manager system. The vulnerability also enables privilege escalation attacks where malicious actors could potentially gain administrative access to the database, leading to complete system compromise. Additionally, the attack could result in data corruption, unauthorized modifications to system configurations, and denial of service conditions that would disrupt business operations. Organizations using this software face significant risk of regulatory compliance violations and reputational damage if such attacks are successfully executed.
Mitigation strategies for CVE-2017-16543 should focus on immediate patching and implementation of robust input validation controls. Organizations must apply the vendor-provided security patches as soon as they become available, as these typically address the specific input sanitization issues that enable the SQL injection. Network segmentation and web application firewalls should be implemented to monitor and filter suspicious database query patterns. Additionally, implementing proper parameterized queries and stored procedures in the application code would prevent similar vulnerabilities from occurring in the future. The defense-in-depth approach should include regular security assessments, input validation testing, and monitoring for anomalous database access patterns. Organizations should also consider implementing database activity monitoring solutions that can detect and alert on potential SQL injection attempts, aligning with ATT&CK technique T1071.004 for application layer attacks. Regular security awareness training for developers and system administrators is essential to prevent similar issues in future application development cycles, ensuring that secure coding practices are consistently applied throughout the software development lifecycle.