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CVE-2020-13543

Published: 3 December 2020

A code execution vulnerability exists in the WebSocket functionality of Webkit WebKitGTK 2.30.0. A specially crafted web page can trigger a use-after-free vulnerability which can lead to remote code execution. An attacker can get a user to visit a webpage to trigger this vulnerability.

Notes

AuthorNote
jdstrand
webkit receives limited support. For details, see
https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit
webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
qtwebkit-source
Launchpad, Ubuntu, Debian
upstream Needs triage

bionic Needs triage

xenial Needs triage

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

mantic Does not exist

qtwebkit
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
hirsute Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
xenial Needs triage

impish Ignored
(end of life)
bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
jammy Needs triage

lunar Ignored
(end of life, was needs-triage)
trusty Does not exist

upstream Needs triage

mantic Needs triage

wpewebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

impish Ignored
(end of life)
focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Needs triage

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

webkit2gtk
Launchpad, Ubuntu, Debian
hirsute
Released (2.30.3-1)
bionic
Released (2.30.3-0ubuntu0.18.04.1)
focal
Released (2.30.3-0ubuntu0.20.04.1)
groovy
Released (2.30.3-0ubuntu0.20.10.1)
impish
Released (2.30.3-1)
jammy
Released (2.30.3-1)
kinetic
Released (2.30.3-1)
lunar
Released (2.30.3-1)
trusty Does not exist

upstream
Released (2.30.3)
xenial Deferred

mantic
Released (2.30.3-1)
webkitgtk
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Needs triage

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

mantic Does not exist

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H