---
title: "CVE-2012-3553\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-2012-3553?format=md
keywords: index, follow
---

# CVE-2012-3553

Publication date 19 June 2012

Last updated 24 July 2024

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Ubuntu priority

**Medium**

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

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## Description

chan\_skinny.c in the Skinny (aka SCCP) channel driver in Asterisk Open
Source 10.x before 10.5.1 allows remote authenticated users to cause a
denial of service (NULL pointer dereference and daemon crash) by sending a
Station Key Pad Button message and closing a connection in off-hook mode, a
related issue to CVE-2012-2948.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2012-3553?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| asterisk | 12.04 LTS precise | Not affected |
| 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not affected |

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* [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)

per Debian: <not-affected> (Only affects Asterisk 10)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3553)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-3553)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-3553)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-3553)

### Other references

* <http://downloads.asterisk.org/pub/security/AST-2012-009.html>
* <https://www.cve.org/CVERecord?id=CVE-2012-3553>