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CVE-2017-7799

Published: 10 August 2017

JavaScript in the "about:webrtc" page is not sanitized properly being assigned to "innerHTML". Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack. This vulnerability affects Firefox < 55.

Notes

AuthorNote
tyhicks
mozjs38 contains a copy of the SpiderMonkey JavaScript engine

Priority

Medium

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
artful
Released (55.0.2+build1-0ubuntu4)
bionic
Released (55.0.2+build1-0ubuntu4)
cosmic
Released (55.0.2+build1-0ubuntu4)
disco
Released (55.0.2+build1-0ubuntu4)
eoan
Released (55.0.2+build1-0ubuntu4)
focal
Released (55.0.2+build1-0ubuntu4)
groovy
Released (55.0.2+build1-0ubuntu4)
hirsute
Released (55.0.2+build1-0ubuntu4)
impish
Released (55.0.2+build1-0ubuntu4)
jammy
Released (55.0.2+build1-0ubuntu4)
kinetic
Released (55.0.2+build1-0ubuntu4)
lunar
Released (55.0.2+build1-0ubuntu4)
mantic
Released (55.0.2+build1-0ubuntu4)
trusty
Released (55.0.1+build2-0ubuntu0.14.04.2)
upstream
Released (55.0)
xenial
Released (55.0.1+build2-0ubuntu0.16.04.2)
zesty
Released (55.0.1+build2-0ubuntu0.17.04.2)
mozjs38
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Needs triage

cosmic Does not exist

disco Does not exist

eoan Does not exist

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

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 6.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N