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AmmSoft ScriptFTP 3.3 contains a stack-based buffer overflow vulnerability. The vulnerability is triggered when a remote FTP server responds to a LIST command with a filename that exceeds the expected buffer length. This can occur during the execution of GETLIST or GETFILE commands in a ScriptFTP script, allowing the remote server to send a maliciously crafted filename that overflows the stack buffer.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository contains a single Metasploit module (modules/exploits/windows/ftp/scriptftp_list.rb) that exploits a remote buffer overflow vulnerability (CVE-2011-3976) in AmmSoft ScriptFTP client versions 3.3 and earlier. The exploit works by acting as a malicious FTP server and delivering a specially crafted directory listing in response to a LIST command. The buffer overflow is triggered by a long filename, allowing the attacker to overwrite the exception handler and execute arbitrary code via an egghunter and custom shellcode. The module uses Metasploit's FTP server mixin and file format utilities to generate a malicious FTP script file (default: msf.ftp), which the victim must execute. The attack vector is network-based, requiring the victim to connect to the attacker's FTP server. The exploit targets Windows XP SP3 and Windows Vista platforms. The payload is customizable and encoded to bypass bad characters. The repository is operational and provides a working exploit for remote code execution.
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