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CVE-2020-12393

Published: 26 May 2020

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
mozjs52
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
hirsute Does not exist

jammy Does not exist

bionic Needs triage

eoan Ignored
(end of life)
focal Needs triage

impish 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)
jammy Does not exist

bionic Does not exist

eoan Does not exist

focal Needs triage

hirsute Does not exist

impish 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 Not vulnerable
(only affects Windows)
eoan Not vulnerable
(only affects Windows)
focal Not vulnerable
(only affects Windows)
trusty Does not exist

upstream
Released (76.0)
xenial Not vulnerable
(only affects Windows)
jammy Not vulnerable
(only affects Windows)
groovy Not vulnerable
(only affects Windows)
hirsute Not vulnerable
(only affects Windows)
impish Not vulnerable
(only affects Windows)
kinetic Not vulnerable
(only affects Windows)
lunar Not vulnerable
(only affects Windows)
mantic Not vulnerable
(only affects Windows)
mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Does not exist

jammy Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish 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
jammy Does not exist

bionic Does not exist

eoan Ignored
(end of life)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish 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

thunderbird
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(only affects Windows)
bionic Not vulnerable
(only affects Windows)
eoan Not vulnerable
(only affects Windows)
focal Not vulnerable
(only affects Windows)
groovy Not vulnerable
(only affects Windows)
hirsute Not vulnerable
(only affects Windows)
impish Not vulnerable
(only affects Windows)
kinetic Not vulnerable
(only affects Windows)
lunar Not vulnerable
(only affects Windows)
trusty Does not exist

upstream
Released (68.8.0)
xenial Not vulnerable
(only affects Windows)
mantic Not vulnerable
(only affects Windows)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H