CVE-2020-15680
Published: 22 October 2020
If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.
Notes
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
Priority
Status
Package | Release | Status |
---|---|---|
mozjs52 Launchpad, Ubuntu, Debian |
groovy |
Ignored
(end of life)
|
bionic |
Needs triage
|
|
focal |
Needs triage
|
|
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
|
|
xenial |
Does not exist
|
|
mantic |
Does not exist
|
|
mozjs68 Launchpad, Ubuntu, Debian |
groovy |
Ignored
(end of life)
|
bionic |
Does not exist
|
|
focal |
Needs triage
|
|
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
|
|
xenial |
Does not exist
|
|
mantic |
Does not exist
|
|
firefox Launchpad, Ubuntu, Debian |
bionic |
Released
(82.0+build2-0ubuntu0.18.04.1)
|
focal |
Released
(82.0+build2-0ubuntu0.20.04.1)
|
|
trusty |
Does not exist
|
|
groovy |
Released
(82.0+build2-0ubuntu0.20.10.1)
|
|
xenial |
Released
(82.0+build2-0ubuntu0.16.04.5)
|
|
hirsute |
Released
(82.0.2+build1-0ubuntu1)
|
|
impish |
Released
(82.0.2+build1-0ubuntu1)
|
|
jammy |
Released
(82.0.2+build1-0ubuntu1)
|
|
kinetic |
Released
(82.0.2+build1-0ubuntu1)
|
|
lunar |
Released
(82.0.2+build1-0ubuntu1)
|
|
upstream |
Released
(82)
|
|
mantic |
Released
(82.0.2+build1-0ubuntu1)
|
|
mozjs38 Launchpad, Ubuntu, Debian |
trusty |
Does not exist
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
bionic |
Needs triage
|
|
hirsute |
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
|
|
mantic |
Does not exist
|
|
mozjs60 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
hirsute |
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
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.3 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |