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CVE-2021-29959

Published: 2 June 2021

When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine

Priority

Medium

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
impish
Released (89.0+build2-0ubuntu1)
jammy
Released (89.0+build2-0ubuntu1)
lunar
Released (89.0+build2-0ubuntu1)
trusty Does not exist

xenial Ignored
(end of standard support, was needed)
upstream
Released (89)
bionic
Released (89.0+build2-0ubuntu0.18.04.2)
focal
Released (89.0+build2-0ubuntu0.20.04.2)
groovy
Released (89.0+build2-0ubuntu0.20.10.1)
hirsute
Released (89.0+build2-0ubuntu0.21.04.1)
kinetic
Released (89.0+build2-0ubuntu1)
mantic
Released (89.0+build2-0ubuntu1)
mozjs38
Launchpad, Ubuntu, Debian
groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

bionic Needs triage

focal Does not exist

kinetic Does not exist

mantic Does not exist

mozjs52
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

kinetic Does not exist

mantic Does not exist

mozjs68
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

groovy Ignored
(end of life)
hirsute Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

kinetic Does not exist

mantic Does not exist

mozjs78
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

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

trusty Does not exist

upstream Needs triage

xenial Does not exist

kinetic Ignored
(end of life, was needs-triage)
mantic Does not exist

lunar Ignored
(end of life, was needs-triage)
thunderbird
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable

groovy Ignored
(end of life)
hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

lunar Not vulnerable

upstream Needs triage

xenial Not vulnerable

trusty Does not exist

kinetic Not vulnerable

mantic Not vulnerable

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N