CVE-1999-0911

ProFTPD - Buffer Overflow via MKD and CWD Commands

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-1999-0911. PoCs published by anonymous, babcia padlina ltd.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in ProFTPD versions 1.2.0pre1 to 1.2.0pre3, leveraging a sprintf() overflow in the log_xfer() routine to achieve remote code execution. It includes shellcode and a method to trigger the overflow via MKD commands.

Description

Buffer overflow in ProFTPD, wu-ftpd, and beroftpd allows remote attackers to gain root access via a series of MKD and CWD commands that create nested directories.

Exploits (2)

exploitdb WORKING POC VERIFIED
by anonymous · cremotelinux
https://www.exploit-db.com/exploits/19476

This exploit targets a buffer overflow vulnerability in ProFTPD versions 1.2.0pre1 to 1.2.0pre3, leveraging a sprintf() overflow in the log_xfer() routine to achieve remote code execution. It includes shellcode and a method to trigger the overflow via MKD commands.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ProFTPD 1.2.0pre1, 1.2.0pre2, 1.2.0pre3
Auth required
Prerequisites: Network access to the target FTP server · Valid FTP credentials (or anonymous access)
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by babcia padlina ltd · cremotelinux
https://www.exploit-db.com/exploits/19475

This exploit targets a buffer overflow vulnerability in ProFTPD versions 1.2pre1 to 1.2pre4. It leverages a sprintf() overflow in the log_xfer() routine or a mkdir overflow to execute arbitrary shellcode, providing remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ProFTPD 1.2pre1, 1.2pre3, 1.2pre4
Auth required
Prerequisites: Network access to the target FTP server · Valid FTP credentials (anonymous or otherwise)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/612
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/1999/19990210

Scores

EPSS 0.3805
EPSS Percentile 98.4%

Details

Status published
Products (5)
proftpd_project/proftpd 1.2_pre1
proftpd_project/proftpd 1.2_pre2
proftpd_project/proftpd 1.2_pre3
proftpd_project/proftpd 1.2_pre4
proftpd_project/proftpd 1.2_pre5
Published Aug 27, 1999
Tracked Since Feb 18, 2026