CVE-2005-0263

IBM AIX 5.1-5.3 - Local Buffer Overflow via netpmon -O Argument

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-0263. PoCs published by intropy.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in IBM AIX netpmon (CVE-2005-0263) to achieve local privilege escalation. It uses a PowerPC shellcode to spawn a shell by manipulating environment variables and overflowing a buffer.

Description

Buffer overflow in netpmon on AIX 5.1, 5.2, and 5.3 allows local users to execute arbitrary code via a long -O argument.

Exploits (1)

exploitdb WORKING POC VERIFIED
by intropy · clocalaix
https://www.exploit-db.com/exploits/1044

This exploit targets a buffer overflow vulnerability in IBM AIX netpmon (CVE-2005-0263) to achieve local privilege escalation. It uses a PowerPC shellcode to spawn a shell by manipulating environment variables and overflowing a buffer.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: IBM AIX netpmon (version not specified, tested on AIX 5.2)
No auth needed
Prerequisites: Local access to the target system · netpmon binary must be present and executable
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/search.wss?rs=0&q=IY67124&apar=only
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/19278
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/12517
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/search.wss?rs=0&q=IY67136&apar=only
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/14237
Patch, Vendor Advisory third-party-advisory x_refsource_idefense
http://www.idefense.com/application/poi/display?id=197&type=vulnerabilities
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/search.wss?rs=0&q=IY67807&apar=only

Scores

EPSS 0.0107
EPSS Percentile 60.3%

Details

Status published
Products (3)
ibm/aix 5.1
ibm/aix 5.2
ibm/aix 5.3
Published May 02, 2005
Tracked Since Feb 18, 2026