CVE-2004-1192

Citadel/UX <= 6.27 - Remote Code Execution via lprintf Format String

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-1192. PoCs published by CoKi.

AI-analyzed exploit summary This exploit leverages a format string vulnerability in Citadel/UX v6.27 to achieve remote code execution by overwriting the GOT entry of syslog with a controlled address. It uses a combination of format string manipulation and shellcode injection to spawn a reverse shell.

Description

Format string vulnerability in the lprintf function in Citadel/UX 6.27 and earlier allows remote attackers to execute arbitrary code via format string specifiers sent to the server.

Exploits (1)

exploitdb WORKING POC VERIFIED
by CoKi · cremotelinux
https://www.exploit-db.com/exploits/681

This exploit leverages a format string vulnerability in Citadel/UX v6.27 to achieve remote code execution by overwriting the GOT entry of syslog with a controlled address. It uses a combination of format string manipulation and shellcode injection to spawn a reverse shell.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Citadel/UX v6.27
No auth needed
Prerequisites: Network access to the target system · Citadel/UX v6.27 running on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=110304986223400&w=2
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=110295469430696&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/18429

Scores

EPSS 0.1175
EPSS Percentile 95.5%

Details

Status published
Products (6)
citadel/ux 6.07
citadel/ux 6.08
citadel/ux 6.23
citadel/ux 6.24
citadel/ux 6.26
citadel/ux 6.27
Published Jan 10, 2005
Tracked Since Feb 18, 2026