CVE-2007-4003

IBM AIX 5.3 SP6 - Local Arbitrary Code Execution via pioout ParseRoutine Argument

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-4003. PoCs published by qaaz.

AI-analyzed exploit summary This exploit leverages a vulnerability in IBM AIX's pioout utility to achieve local privilege escalation by loading a malicious shared library. The library executes a shell with root privileges upon loading.

Description

pioout in IBM AIX 5.3 SP6 allows local users to execute arbitrary code by specifying a malicious library with the -R (ParseRoutine) command line argument.

Exploits (1)

exploitdb WORKING POC VERIFIED
by qaaz · bashlocalaix
https://www.exploit-db.com/exploits/4232

This exploit leverages a vulnerability in IBM AIX's pioout utility to achieve local privilege escalation by loading a malicious shared library. The library executes a shell with root privileges upon loading.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: IBM AIX <= 5.3 sp6
Auth required
Prerequisites: Local access to the target system · Presence of /usr/lpd/pio/etc/pioout · GCC or compatible compiler to build the shared library
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/docview.wss?uid=isg1IZ01122
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26219
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/35628
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/25084
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1018466
Various Sources vendor-advisory x_refsource_aixapar
http://www-1.ibm.com/support/docview.wss?uid=isg1IZ01121
Third Party Advisory third-party-advisory x_refsource_idefense
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=569
Various Sources x_refsource_confirm
ftp://aix.software.ibm.com/aix/efixes/security/README
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/2677

Scores

EPSS 0.0175
EPSS Percentile 75.0%

Details

Status published
Products (1)
ibm/aix 5.3 sp6
Published Jul 26, 2007
Tracked Since Feb 18, 2026