CVE-2015-1480 in ServiceDesk Plus
Summary
by MITRE
ZOHO ManageEngine ServiceDesk Plus (SDP) before 9.0 build 9031 allows remote authenticated users to obtain sensitive ticket information via a (1) getTicketData action to servlet/AJaxServlet or a direct request to (2) swf/flashreport.swf, (3) reports/flash/details.jsp, or (4) reports/CreateReportTable.jsp.
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Analysis
by VulDB Data Team • 09/18/2024
The vulnerability CVE-2015-1480 affects ZOHO ManageEngine ServiceDesk Plus version 9.0 build 9031 and earlier, representing a critical information disclosure flaw that enables remote authenticated attackers to access sensitive ticket data. This vulnerability exists within the web application's access control mechanisms, specifically in how the system handles requests to various servlets and jsp pages. The flaw allows attackers who have already established legitimate authentication credentials to bypass normal access controls and retrieve confidential ticket information that should be restricted to authorized personnel only.
The technical implementation of this vulnerability occurs through multiple attack vectors that exploit insufficient input validation and access control checks within the application's servlet architecture. Attackers can leverage the getTicketData action through the servlet/AJaxServlet endpoint or directly access vulnerable flash and jsp components including swf/flashreport.swf, reports/flash/details.jsp, and reports/CreateReportTable.jsp. These endpoints fail to properly verify user permissions before returning sensitive ticket data, creating a pathway for unauthorized information retrieval. The vulnerability stems from improper authorization checks that do not adequately validate whether authenticated users possess the necessary privileges to access specific ticket information.
The operational impact of this vulnerability is significant as it compromises the confidentiality of service desk ticket data, potentially exposing sensitive customer information, system details, and business-critical data that organizations rely on for maintaining security and compliance. Organizations using ServiceDesk Plus may face regulatory compliance violations, data breaches, and reputational damage when this vulnerability is exploited. The flaw affects any authenticated user within the system, meaning that even users with limited privileges could potentially access tickets belonging to other users or departments, creating a broad scope of potential data exposure. This represents a serious violation of the principle of least privilege and could enable attackers to gather intelligence for further exploitation or conduct insider threat activities.
Mitigation strategies for this vulnerability should include immediate patching to ServiceDesk Plus version 9.0 build 9031 or later, which contains the necessary access control fixes. Organizations should also implement network segmentation to limit access to the ServiceDesk Plus application, enforce strict role-based access controls, and monitor for suspicious access patterns or unauthorized data retrieval attempts. Additional defensive measures include reviewing and hardening the application's authentication and authorization mechanisms, implementing web application firewalls to detect and block malicious requests, and conducting regular security assessments of the service desk application. From a compliance perspective, organizations should ensure proper audit logging is enabled to track ticket access and identify potential unauthorized access attempts. This vulnerability aligns with CWE-284 (Improper Access Control) and can be mapped to ATT&CK technique T1078 (Valid Accounts) and T1005 (Data from Local System) in threat modeling exercises.