---
title: "CVE-2017-17090\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-2017-17090?format=md
keywords: index, follow
---

# CVE-2017-17090

Publication date 2 December 2017

Last updated 24 June 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2017-17090?format=md#impact-score)

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## Description

An issue was discovered in chan\_skinny.c in Asterisk Open Source 13.18.2
and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk
13.13-cert7 and older. If the chan\_skinny (aka SCCP protocol) channel
driver is flooded with certain requests, it can cause the asterisk process
to use excessive amounts of virtual memory, eventually causing asterisk to
stop processing requests of any kind.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| asterisk | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not affected |
| 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 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 | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | None |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17090)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-17090)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-17090)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-17090)

### Other references

* <http://downloads.digium.com/pub/security/AST-2017-013.html>
* <https://issues.asterisk.org/jira/browse/ASTERISK-27452>
* <https://www.cve.org/CVERecord?id=CVE-2017-17090>