Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2020-27813

Published: 2 December 2020

An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
golang-github-gorilla-websocket
Launchpad, Ubuntu, Debian
impish Not vulnerable
(1.4.2-1)
bionic Does not exist

focal Not vulnerable
(1.4.1-2)
jammy Not vulnerable
(1.4.2-1)
kinetic Not vulnerable
(1.4.2-1)
groovy Not vulnerable
(1.4.1-2)
hirsute Not vulnerable
(1.4.2-1)
lunar Not vulnerable
(1.4.2-1)
trusty Does not exist

upstream
Released (1.4.1)
xenial Does not exist

golang-websocket
Launchpad, Ubuntu, Debian
bionic
Released (1.2.0-1ubuntu2+esm1)
Available with Ubuntu Pro
xenial
Released (0.0~git20150811.0.b6ab76f-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
impish Ignored
(end of life)
kinetic Ignored
(end of life, was ignored [code not used])
focal Ignored
(code not used)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Ignored
(code not used)
lunar Does not exist

trusty Does not exist

upstream
Released (1.4.1)
Patches:
upstream: https://github.com/gorilla/websocket/commit/5b740c29263eb386f33f265561c8262522f19d37

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H