CVE-2005-0332 in DeskNow Mail
Summary
by MITRE
Directory traversal vulnerability in DeskNow Mail and Collaboration Server 2.5.12 allows remote attackers to (1) upload and possibly execute files outside the directory via the AttachmentsKey parameter to attachment.do, as demonstrated using JSP pages, or (2) delete arbitrary files via the select_file parameter to file.do.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 07/22/2017
The CVE-2005-0332 vulnerability represents a critical directory traversal flaw in DeskNow Mail and Collaboration Server version 2.5.12 that exposes the system to remote exploitation. This vulnerability stems from inadequate input validation mechanisms within the web application's file handling processes, specifically affecting two distinct attack vectors that can be leveraged by remote adversaries without authentication. The flaw exists in the way the application processes user-supplied parameters, particularly the AttachmentsKey parameter in the attachment.do endpoint and the select_file parameter in the file.do endpoint, creating pathways for unauthorized file operations.
The technical implementation of this vulnerability allows attackers to manipulate file paths through crafted input parameters, bypassing intended directory restrictions. When exploiting the AttachmentsKey parameter, attackers can upload malicious files to arbitrary locations outside the designated attachment directories, potentially enabling code execution through JSP pages or other server-side includes. The select_file parameter in file.do enables deletion of files anywhere within the server's file system, creating a complete compromise of file integrity and potentially leading to system-wide damage. Both attack vectors demonstrate a fundamental lack of proper path validation and sanitization, with the vulnerability directly mapping to CWE-22 - Improper Limitation of a Pathname to a Restricted Directory.
From an operational impact perspective, this vulnerability enables attackers to achieve persistent access to the mail server and potentially escalate privileges within the system. The ability to upload and execute files remotely allows for the deployment of backdoors, web shells, or other malicious payloads that can maintain long-term access to the compromised system. File deletion capabilities can be used to destroy critical data, disrupt services, or cover tracks by removing evidence of the intrusion. The vulnerability affects the confidentiality, integrity, and availability of the mail server infrastructure, making it particularly dangerous for organizations relying on DeskNow for email and collaboration services. The attack surface is expanded by the fact that no authentication is required to exploit either vector, making it a severe threat to any system running the vulnerable version.
Security professionals should implement immediate mitigations including input validation for all user-supplied parameters, proper path sanitization, and the implementation of secure file handling practices. Organizations must ensure that all file operations are restricted to predefined directories with proper access controls and that parameter values are validated against expected formats. The vulnerability demonstrates the importance of following secure coding practices and adhering to standards such as those outlined in the OWASP Top Ten and MITRE ATT&CK framework, particularly focusing on techniques related to path traversal and privilege escalation. System administrators should also consider implementing network segmentation, monitoring for suspicious file upload activities, and ensuring that all software components are updated to versions that address this specific vulnerability. The incident underscores the critical need for regular security assessments and vulnerability management processes to identify and remediate similar flaws in legacy systems that may continue to operate in enterprise environments.