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
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 |