CVE-1999-0845

SCO UnixWare - Buffer Overflow via Long Username

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0845. PoCs published by K2.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in UnixWare's su(1) command, allowing local privilege escalation to root. It uses a shellcode payload and stack manipulation to achieve arbitrary code execution.

Description

Buffer overflow in SCO su program allows local users to gain root access via a long username.

Exploits (1)

exploitdb WORKING POC VERIFIED
by K2 · clocalsco
https://www.exploit-db.com/exploits/19643

This exploit targets a buffer overflow vulnerability in UnixWare's su(1) command, allowing local privilege escalation to root. It uses a shellcode payload and stack manipulation to achieve arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: UnixWare su(1) (specific version not specified)
No auth needed
Prerequisites: Local access to the target system · Vulnerable version of UnixWare su(1)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0845

Scores

EPSS 0.0078
EPSS Percentile 51.0%

Details

Status published
Products (1)
sco/unixware 7.0
Published Nov 25, 1999
Tracked Since Feb 18, 2026