CVE-2009-3976

Labtam ProFTP 2.9 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2009-3976. PoCs published by Metasploit, His0k4, including Metasploit module exploits/windows/ftp/proftp_banner.

AI-analyzed exploit summary This exploit targets a buffer overflow in ProFTP 2.9 by sending an excessively long welcome message to trigger a remote code execution vulnerability. It uses a Metasploit module to craft a malicious FTP banner response containing shellcode.

Description

Buffer overflow in Labtam ProFTP 2.9 allows remote FTP servers to cause a denial of service (application crash) or execute arbitrary code via a long 220 reply (aka connection greeting or welcome message).

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16709

This exploit targets a buffer overflow in ProFTP 2.9 by sending an excessively long welcome message to trigger a remote code execution vulnerability. It uses a Metasploit module to craft a malicious FTP banner response containing shellcode.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ProFTP 2.9
No auth needed
Prerequisites: Network access to the target FTP server · ProFTP 2.9 client connecting to a malicious server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by His0k4 · rubyremotewindows
https://www.exploit-db.com/exploits/9508

This exploit targets a buffer overflow vulnerability in ProFTP 2.9 by sending an excessively long welcome message to trigger a remote code execution. It uses a Metasploit module to craft the payload and handle the TCP connection.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ProFTP 2.9
No auth needed
Prerequisites: Network access to the target FTP server · ProFTP 2.9 running on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/proftp_banner.rb

This Metasploit module exploits a buffer overflow in ProFTP 2.9 by sending an excessively long welcome message to trigger a remote code execution vulnerability. It uses a SEH-based exploit technique with a universal return address for XP SP3.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ProFTP 2.9
No auth needed
Prerequisites: Network access to the target FTP server · ProFTP 2.9 client connecting to the malicious server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/36128
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/52730
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/9508
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/2414

Scores

EPSS 0.2828
EPSS Percentile 97.9%

Details

CWE
CWE-119
Status published
Products (1)
labtam-inc/proftp 2.9
Published Nov 18, 2009
Tracked Since Feb 18, 2026