---
title: "CVE-2012-0862\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-2012-0862?format=md
keywords: index, follow
---

# CVE-2012-0862

Publication date 4 June 2012

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

builtins.c in Xinetd before 2.3.15 does not check the service type when the
tcpmux-server service is enabled, which exposes all enabled services and
allows remote attackers to bypass intended access restrictions via a
request to tcpmux port 1.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| xinetd | 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Not affected |
| 19.10 eoan | Not affected |
| 19.04 disco | Not affected |
| 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Not affected |
| 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not affected |
| 13.10 saucy | Not affected |
| 13.04 raring | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Ignored end of life |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | 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)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0862)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-0862)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-0862)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-0862)

### Other references

* <http://www.openwall.com/lists/oss-security/2012/05/09/5>
* <https://www.cve.org/CVERecord?id=CVE-2012-0862>