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A stack-based buffer overflow exists in the sreplace() function of ProFTPD versions 1.3.0 and earlier. The vulnerability is caused by an off-by-one error in string manipulation, allowing remote attackers with FTP write access to trigger a buffer overflow and execute arbitrary code. The flaw was exploited in the wild and included in the VulnDisco Pack for Metasploit as vd_proftpd.pm. The vulnerability was patched in ProFTPD version 1.3.0a.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit module (modules/exploits/linux/ftp/proftp_sreplace.rb) that exploits a stack-based buffer overflow vulnerability (CVE-2006-5815) in ProFTPD versions 1.2 through 1.3.0 on Linux. The exploit works by uploading a specially crafted .message file to a writable directory on the FTP server and then triggering the vulnerable sreplace function by changing into that directory. The module supports automatic target detection based on the FTP banner and allows for custom payloads up to 900 bytes, with certain bad characters filtered. The exploit requires access to a writable directory (default: /incoming) and can provide remote code execution as a privileged user. The code is written in Ruby and is designed to be used within the Metasploit framework. Notable fingerprintable endpoints include the writable directory path, the .message file, and the '250' file (for certain ProFTPD versions).
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