CVE-2003-1143

Croteam Serioussam - Denial of Service

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-1143. PoCs published by Luigi Auriemma.

AI-analyzed exploit summary This exploit targets a denial-of-service vulnerability in the Serious Sam game engine by sending a malformed packet to the server, causing excessive CPU consumption and a crash or hang. The PoC allows the attacker to choose between a crash or freeze by modifying the packet header.

Description

Croteam Serious Sam demo test 2 2.1a, Serious Sam: the First Encounter 1.05, and Serious Sam: the Second Encounter 1.05 allow remote attackers to cause a denial of service (crash or freeze) via a TCP packet with an invalid first parameter.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Luigi Auriemma · cdosmultiple
https://www.exploit-db.com/exploits/23314

This exploit targets a denial-of-service vulnerability in the Serious Sam game engine by sending a malformed packet to the server, causing excessive CPU consumption and a crash or hang. The PoC allows the attacker to choose between a crash or freeze by modifying the packet header.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Serious Sam game engine (TCP-based versions)
No auth needed
Prerequisites: Network access to the target server · Target server running a vulnerable version of Serious Sam
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/13618
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/8936
Exploit, Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/342957
Exploit, Patch, Vendor Advisory x_refsource_misc
http://aluigi.altervista.org/adv/ssboom-adv.txt

Scores

EPSS 0.0280
EPSS Percentile 84.6%

Details

Status published
Products (4)
croteam/serioussam test_2_2.1_a
croteam/serioussam the_first_encounter_1.0.5
croteam/serioussam the_second_encounter_1.0.5
croteam/serioussam the_second_encounter_demo
Published Oct 30, 2003
Tracked Since Feb 18, 2026