CVE-2003-0408

Uptime Client <5.0b7 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-0408. PoCs published by Gino Thomas.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in UpClient 5.0b7 on FreeBSD by passing an excessively long command-line argument. It uses a NOP sled and shellcode to spawn a shell with elevated privileges (typically setuid kmem).

Description

Buffer overflow in Uptime Client (UpClient) 5.0b7, and possibly other versions, allows local users to gain privileges via a long -p argument.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Gino Thomas · clocalfreebsd
https://www.exploit-db.com/exploits/22661

This exploit targets a buffer overflow vulnerability in UpClient 5.0b7 on FreeBSD by passing an excessively long command-line argument. It uses a NOP sled and shellcode to spawn a shell with elevated privileges (typically setuid kmem).

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: UpClient 5.0b7
No auth needed
Prerequisites: Local access to the target system · UpClient 5.0b7 installed · FreeBSD 4.8 environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/12131.php
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/7703
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=105405629622652&w=2

Scores

EPSS 0.0109
EPSS Percentile 61.0%

Details

Status published
Products (1)
the_uptimes_project/upclient 5.0b7
Published Jun 30, 2003
Tracked Since Feb 18, 2026