CVE-2000-1119

IBM AIX - Buffer Overflow in setsenv Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-1119. PoCs published by Last Stage of Delirium.

AI-analyzed exploit summary This exploit targets a buffer overflow in the AIX setsenv binary to execute arbitrary code and gain root privileges. It uses a crafted environment variable to overwrite the return address and inject shellcode.

Description

Buffer overflow in setsenv command in IBM AIX 4.3.x and earlier allows local users to execute arbitrary commands via a long "x=" argument.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Last Stage of Delirium · clocalaix
https://www.exploit-db.com/exploits/20452

This exploit targets a buffer overflow in the AIX setsenv binary to execute arbitrary code and gain root privileges. It uses a crafted environment variable to overwrite the return address and inject shellcode.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: IBM AIX 4.1, 4.2, 4.3, 4.3.x
No auth needed
Prerequisites: Access to an AIX system with vulnerable setsenv binary · Ability to execute the exploit binary
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/2032
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/search.wss?rs=0&q=IY10721&apar=only
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/search.wss?rs=0&q=IY08812&apar=only
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=97569466809056&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/1676
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5621

Scores

EPSS 0.0098
EPSS Percentile 57.5%

Details

Status published
Products (6)
ibm/aix 4.2
ibm/aix 4.2.1
ibm/aix 4.3
ibm/aix 4.3.1
ibm/aix 4.3.2
ibm/aix 4.3.3
Published Jan 09, 2001
Tracked Since Feb 18, 2026