---
title: "CVE-2009-1892\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2009-1892?format=md
keywords: index, follow
---

# CVE-2009-1892

Publication date 17 July 2009

Last updated 24 July 2024

---

Ubuntu priority

**Low**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## 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.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2009-1892?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| dhcp | 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not in release |
| 9.10 karmic | Not in release |
| 9.04 jaunty | Not in release |
| 8.10 intrepid | Not in release |
| 8.04 LTS hardy | Not in release |
| 6.06 LTS dapper | Not affected |
| dhcp3 | 11.04 natty | Not in release |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 9.10 karmic | Ignored end of life |
| 9.04 jaunty | Ignored end of life |
| 8.10 intrepid | Ignored end of life, was needed |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [jdstrand](https://launchpad.net/~jdstrand)

POC does not work on Ubuntu 8.04 LTS and earlier, and report
states it is only 3.1 and higher
requires a somewhat broken configuration to exploit

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1892)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-1892)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-1892)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2009-1892)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2009-1892>