---
title: "CVE-2013-5641\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-2013-5641?format=md
keywords: index, follow
---

# CVE-2013-5641

Publication date 9 September 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

The SIP channel driver (channels/chan\_sip.c) in Asterisk Open Source
1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1
and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before
11.2-cert2 allows remote attackers to cause a denial of service (NULL
pointer dereference, segmentation fault, and daemon crash) via an ACK with
SDP to a previously terminated channel. NOTE: some of these details are
obtained from third party information.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| asterisk | 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 in release |
| 13.10 saucy | Ignored end of life |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Ignored end of life |
| 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)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-5641)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-5641)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-5641)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-5641)

### Other references

* <http://downloads.asterisk.org/pub/security/AST-2013-004.html>
* <http://www.openwall.com/lists/oss-security/2013/08/28>
* <https://www.cve.org/CVERecord?id=CVE-2013-5641>
