---
title: "CVE-2006-2223\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-2006-2223?format=md
keywords: index, follow
---

# CVE-2006-2223

Publication date 5 May 2006

Last updated 17 July 2025

---

Ubuntu priority

**Medium**

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

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## Description

RIPd in Quagga 0.98 and 0.99 before 20060503 does not properly implement
configurations that (1) disable RIPv1 or (2) require plaintext or MD5
authentication, which allows remote attackers to obtain sensitive
information (routing state) via REQUEST packets such as SEND UPDATE.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| quagga | 7.04 feisty | Fixed 0.99.6-2ubuntu3.2 |
| 6.10 edgy | Fixed 0.99.4-4ubuntu1.2 |
| 6.06 LTS dapper | Fixed 0.99.2-1ubuntu3.3 |

---

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2223)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2006-2223)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2006-2223)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2006-2223)

### Related Ubuntu Security Notices (USN)

+ [USN-284-1](https://usn.ubuntu.com/USN-284-1)
+ Quagga vulnerabilities
+ 16 May 2006

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2006-2223>