CVE-1999-0789

IBM AIX - Buffer Overflow in libc ftpd

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0789. PoCs published by Gerrie.

AI-analyzed exploit summary This is a remote buffer overflow exploit for AIX's ftpd (version 4.3.2) on RS6000 systems, leveraging a return-into-libc technique to execute arbitrary commands (e.g., '/tmp/sh') and gain root access. The exploit is highly specific to a particular system configuration and may not work universally.

Description

Buffer overflow in AIX ftpd in the libc library.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Gerrie · perlremoteaix
https://www.exploit-db.com/exploits/19532

This is a remote buffer overflow exploit for AIX's ftpd (version 4.3.2) on RS6000 systems, leveraging a return-into-libc technique to execute arbitrary commands (e.g., '/tmp/sh') and gain root access. The exploit is highly specific to a particular system configuration and may not work universally.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Complex
Reliability
Theoretical
Target: AIX ftpd 4.3.2
No auth needed
Prerequisites: Network access to the vulnerable AIX ftpd service · Specific memory addresses and library configurations matching the target system
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/679
Third Party Advisory, US Government Resource third-party-advisory government-resource x_refsource_ciac
http://www.ciac.org/ciac/bulletins/j-072.shtml

Scores

EPSS 0.0313
EPSS Percentile 86.2%

Details

Status published
Products (3)
ibm/aix 4.3
ibm/aix 4.3.1
ibm/aix 4.3.2
Published Sep 28, 1999
Tracked Since Feb 18, 2026