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CVE-2020-26964

Published: 9 December 2020

If the Remote Debugging via USB feature was enabled in Firefox for Android on an Android version prior to Android 6.0, untrusted apps could have connected to the feature and operated with the privileges of the browser to read and interact with web content. The feature was implemented as a unix domain socket, protected by the Android SELinux policy; however, SELinux was not enforced for versions prior to 6.0. This was fixed by removing the Remote Debugging via USB feature from affected devices. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine

Priority

Low

Cvss 3 Severity Score

6.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
impish Not vulnerable
(Android only)
bionic Not vulnerable
(Android only)
focal Not vulnerable
(Android only)
groovy Not vulnerable
(Android only)
hirsute Not vulnerable
(Android only)
jammy Not vulnerable
(Android only)
kinetic Not vulnerable
(Android only)
lunar Not vulnerable
(Android only)
trusty Does not exist

upstream
Released (83)
xenial Not vulnerable
(Android only)
mantic Not vulnerable
(Android only)
mozjs38
Launchpad, Ubuntu, Debian
impish Does not exist

bionic Needs triage

focal Does not exist

groovy Does not exist

hirsute 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

mozjs52
Launchpad, Ubuntu, Debian
impish Does not exist

hirsute Does not exist

bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
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

mozjs60
Launchpad, Ubuntu, Debian
impish Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute 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

mozjs68
Launchpad, Ubuntu, Debian
impish Does not exist

focal Needs triage

bionic Does not exist

groovy Ignored
(end of life)
hirsute 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

Severity score breakdown

Parameter Value
Base score 6.8
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N