CVE-2014-100002 in SupportCenter Plus
Summary
by MITRE
Directory traversal vulnerability in ManageEngine SupportCenter Plus 7.9 before 7917 allows remote attackers to read arbitrary files via a ..%2f (dot dot encoded slash) in the attach parameter to WorkOrder.do in the file attachment for a new ticket.
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Analysis
by VulDB Data Team • 02/18/2025
This directory traversal vulnerability exists within ManageEngine SupportCenter Plus version 7.9 before build 7917, specifically affecting the file attachment functionality when processing new tickets. The flaw resides in how the application handles the attach parameter within the WorkOrder.do servlet, where user-supplied input containing encoded directory traversal sequences is not properly validated or sanitized before being processed. Attackers can exploit this weakness by crafting malicious requests containing ..%2f sequences, which represent the encoded form of directory traversal characters that allow access to files outside the intended directory structure. The vulnerability specifically targets the file attachment mechanism, enabling unauthorized access to arbitrary files on the server filesystem through carefully constructed requests that bypass normal access controls.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the file handling component of the SupportCenter Plus application. When the system processes a request containing the attach parameter with encoded directory traversal sequences, it fails to properly validate the input path before attempting to access or process the specified file. This allows attackers to manipulate the file path to navigate upward through the directory structure and access files that should normally be restricted. The vulnerability is particularly concerning because it operates at the file system level, potentially allowing attackers to read sensitive configuration files, database credentials, application source code, or other privileged information that could lead to further exploitation. The use of ..%2f encoding demonstrates that the application does not properly decode and validate the input before processing, creating a direct path to arbitrary file access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potential access to critical system files that could lead to privilege escalation or system compromise. An attacker who successfully exploits this vulnerability can potentially read system configuration files, application logs, database connection strings, and other sensitive data that could be used to further compromise the system. The remote nature of this attack means that exploitation does not require local system access or authentication, making it particularly dangerous for organizations that have not properly secured their network infrastructure. Organizations using affected versions of SupportCenter Plus are at risk of unauthorized data access, potential system compromise, and exposure of sensitive information that could be leveraged for additional attacks within the network environment. The vulnerability's impact is amplified when the application runs with elevated privileges, as attackers could potentially access files that are normally protected from regular user access.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected software to the latest version that contains the necessary security fixes. Organizations should also implement network-level restrictions to limit access to the vulnerable WorkOrder.do endpoint and consider implementing input validation at the application level to prevent encoded directory traversal sequences from being processed. Additionally, security monitoring should be enhanced to detect unusual file access patterns that could indicate exploitation attempts. The vulnerability aligns with CWE-22 Directory Traversal and follows patterns consistent with attack techniques described in the MITRE ATT&CK framework under the T1083 technique for discovering files and directories. Organizations should also review their file access controls and implement proper principle of least privilege configurations to minimize the potential impact of successful exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications and systems within the organization's infrastructure.