CVE-2008-1281 in Client Management Services
Summary
by MITRE
Directory traversal vulnerability in TFTPsrvs.exe 2.5.3.1 and earlier, as used in Argon Technology Client Management Services (CMS) 1.31 and earlier, allows remote attackers to read arbitrary files via a .. (dot dot) in the filename parameter.
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Analysis
by VulDB Data Team • 10/19/2024
The vulnerability identified as CVE-2008-1281 represents a critical directory traversal flaw within the TFTPsrvs.exe component of Argon Technology Client Management Services version 1.31 and earlier. This issue specifically affects the TFTP server implementation that handles file transfer operations, creating a pathway for remote attackers to access unauthorized system files through crafted filename parameters containing directory traversal sequences. The vulnerability stems from insufficient input validation and sanitization within the TFTP server's filename processing logic, allowing malicious users to manipulate file paths and potentially access sensitive system resources beyond the intended scope of the service.
The technical exploitation of this vulnerability occurs when an attacker submits a filename parameter containing .. (dot dot) sequences that traverse up the directory hierarchy. This allows the TFTP server to interpret and serve files from arbitrary locations on the system rather than restricting access to the designated TFTP root directory. The flaw specifically affects TFTPsrvs.exe version 2.5.3.1 and earlier, which forms part of the broader Argon Technology CMS 1.31 and earlier versions, indicating a systemic issue within the client management service's file handling mechanisms. This directory traversal vulnerability maps directly to CWE-22, which classifies improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the ability to access potentially sensitive system files, configuration data, and other resources that should remain protected. Attackers could potentially retrieve system binaries, configuration files, user data, or other confidential information from the affected system, depending on the permissions and file structure of the targeted environment. The remote nature of the attack means that adversaries do not require local system access or credentials to exploit this vulnerability, making it particularly dangerous for networked environments where TFTP services are exposed to untrusted networks. This vulnerability aligns with ATT&CK technique T1083, which covers directory and file searches, and represents a fundamental security weakness in the service's file access controls.
Organizations affected by this vulnerability should immediately implement mitigations including updating to patched versions of Argon Technology Client Management Services, applying the vendor-provided security patches, and implementing network segmentation to restrict access to TFTP services. Additional protective measures include configuring firewalls to block TFTP traffic from untrusted networks, disabling unnecessary TFTP services, and implementing strict input validation for all file access operations. Security monitoring should focus on detecting unusual file access patterns and directory traversal attempts within network traffic logs. The vulnerability demonstrates the importance of proper input validation and access control mechanisms, particularly in services that handle file operations and network transfers, emphasizing the need for robust security practices throughout the software development lifecycle to prevent such path traversal vulnerabilities from being introduced into production systems.