CVE-2004-1805

Unreal Engine 436 - Format String Vulnerability via Class Name Specifiers

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-1805. PoCs published by Luigi Auriemma.

AI-analyzed exploit summary The provided text describes a format string vulnerability in the Unreal Tournament server engine, where unsanitized user-supplied network data can lead to arbitrary code execution. The example demonstrates a crash scenario by injecting format string specifiers into the 'Class' parameter.

Description

Format string vulnerability in games using the Epic Games Unreal Engine 436 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in class names.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Luigi Auriemma · textdosmultiple
https://www.exploit-db.com/exploits/23799

The provided text describes a format string vulnerability in the Unreal Tournament server engine, where unsanitized user-supplied network data can lead to arbitrary code execution. The example demonstrates a crash scenario by injecting format string specifiers into the 'Class' parameter.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Theoretical
Target: Unreal Tournament server engine (version not specified)
No auth needed
Prerequisites: Network access to the Unreal Tournament server · Ability to send crafted packets to the server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/15430
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=107893764406905&w=2
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/9840
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=107902755204583&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/11108

Scores

EPSS 0.0645
EPSS Percentile 92.8%

Details

Status published
Products (3)
epic_games/unreal_engine 226f
epic_games/unreal_engine 433
epic_games/unreal_engine 436
Published Dec 31, 2004
Tracked Since Feb 18, 2026