Distinct Intranet Servers 3.10 and earlier contains directory traversal vulnerabilities in its TFTP Server. Remote attackers can supply dot-dot path traversal sequences in TFTP get or put commands to access files outside the intended TFTP directory, allowing arbitrary file reads or writes.
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This repository contains a single Metasploit module (modules/exploits/windows/tftp/distinct_tftp_traversal.rb) targeting a directory traversal vulnerability (CVE-2012-6664) in Distinct Intranet Servers TFTP Server version 3.10 on Windows. The exploit abuses the TFTP server's lack of path sanitization to write arbitrary files outside the intended directory, specifically to the Windows system32 and wbem\mof directories. It uploads a custom EXE payload and a MOF file, which triggers execution of the payload as SYSTEM via the Windows Management Instrumentation (WMI) service. The module is operational, allowing the attacker to execute arbitrary code on the target. The exploit requires network access to the TFTP service (default UDP port 69) and is configurable for target address and traversal depth. The only file in the repository is the Metasploit module itself, written in Ruby.
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