CVE-2008-6559

SCO ReliantHA 1.1.4 - Local Privilege Escalation via mcd -d Argument

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-6559. PoCs published by qaaz.

AI-analyzed exploit summary This exploit leverages a symlink vulnerability in SCO UnixWare's Merge mcd binary to achieve local privilege escalation by manipulating the PATH environment variable and creating a malicious symlink to execute arbitrary code with root privileges.

Description

Merge mcd in ReliantHA 1.1.4 in SCO UnixWare 7.1.4 allows local users to gain root privileges via a crafted -d argument that contains .. (dot dot) sequences that point to a directory containing a file whose name includes shell metacharacters.

Exploits (1)

exploitdb WORKING POC VERIFIED

by qaaz · clocalsco

https://www.exploit-db.com/exploits/5357

View Code ZIP pw:eip

This exploit leverages a symlink vulnerability in SCO UnixWare's Merge mcd binary to achieve local privilege escalation by manipulating the PATH environment variable and creating a malicious symlink to execute arbitrary code with root privileges.

Classification

Working Poc 95%

Attack Type

Lpe

Complexity

Moderate

Reliability

Reliable

Target: SCO UnixWare Merge mcd

No auth needed

Prerequisites: Local access to the target system · Presence of the vulnerable /usr/lib/merge/mcd binary · Ability to create symlinks and execute binaries

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation T1548.001 - Setuid and Setgid

devstral-2 · analyzed Feb 16, 2026 Full analysis →