---
title: "CVE-2015-1558\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-2015-1558?format=md
keywords: index, follow
---

# CVE-2015-1558

Publication date 9 February 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using
the PJSIP channel driver, does not properly reclaim RTP ports, which allows
remote authenticated users to cause a denial of service (file descriptor
consumption) via an SDP offer containing only incompatible codecs.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| asterisk | 19.04 disco | Not affected |
| 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Ignored end of life |
| 15.04 vivid | Ignored end of life |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | 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)
* [Patch details](https://ubuntu.com/security/CVE-2015-1558?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| asterisk | * Upstream:   <http://downloads.asterisk.org/pub/security/AST-2015-001-13.diff> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1558)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-1558)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-1558)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-1558)

### Other references

* <http://www.securitytracker.com/id/1031661>
* <http://seclists.org/fulldisclosure/2015/Jan/116>
* <http://downloads.asterisk.org/pub/security/AST-2015-001.html>
* <https://www.cve.org/CVERecord?id=CVE-2015-1558>