---
title: "CVE-2013-7100\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-2013-7100?format=md
keywords: index, follow
---

# CVE-2013-7100

Publication date 19 December 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

Buffer overflow in the unpacksms16 function in apps/app\_sms.c in Asterisk
Open Source 1.8.x before 1.8.24.1, 10.x before 10.12.4, and 11.x before
11.6.1; Asterisk with Digiumphones 10.x-digiumphones before
10.12.4-digiumphones; and Certified Asterisk 1.8.x before 1.8.15-cert4 and
11.x before 11.2-cert3 allows remote attackers to cause a denial of service
(daemon crash) via a 16-bit SMS message with an odd number of bytes, which
triggers an infinite loop.

## 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)
* [Patch details](https://ubuntu.com/security/CVE-2013-7100?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-2013-006-1.8.diff> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7100)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-7100)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-7100)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-7100)

### Other references

* <https://issues.asterisk.org/jira/browse/ASTERISK-22590>
* <http://downloads.asterisk.org/pub/security/AST-2013-006.html>
* <https://www.cve.org/CVERecord?id=CVE-2013-7100>