CVE-1999-1022

IRIX 4.x-5.x - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-1022. PoCs published by transit.

AI-analyzed exploit summary This exploit leverages a race condition in the serial_ports administrative program on SGI Irix 5.x to execute arbitrary commands as root. It creates a malicious 'ls' script in /tmp that copies and sets the SUID bit on /bin/sh, allowing privilege escalation.

Description

serial_ports administrative program in IRIX 4.x and 5.x trusts the user's PATH environmental variable to find and execute the ls program, which allows local users to gain root privileges via a Trojan horse ls program.

Exploits (1)

exploitdb WORKING POC VERIFIED
by transit · bashlocalirix
https://www.exploit-db.com/exploits/19351

This exploit leverages a race condition in the serial_ports administrative program on SGI Irix 5.x to execute arbitrary commands as root. It creates a malicious 'ls' script in /tmp that copies and sets the SUID bit on /bin/sh, allowing privilege escalation.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Racy
Target: SGI Irix 5.x
No auth needed
Prerequisites: Access to a vulnerable SGI Irix 5.x system · Ability to execute /usr/lib/vadmin/serial_ports
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/2111
Exploit, Vendor Advisory mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/930
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/464

Scores

EPSS 0.0080
EPSS Percentile 51.7%

Details

Status published
Products (3)
sgi/irix 4
sgi/irix 5.2
sgi/irix 5.3
Published Oct 02, 1994
Tracked Since Feb 18, 2026