CVE-2020-12405

Published: 2 June 2020

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Notes

Author	Note
tyhicks	mozjs contains a copy of the SpiderMonkey JavaScript engine

Priority

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	bionic	Released (77.0.1+build1-0ubuntu0.18.04.1)
	eoan	Released (77.0.1+build1-0ubuntu0.19.10.1)
	focal	Released (77.0.1+build1-0ubuntu0.20.04.1)
	groovy	Released (77.0.1+build1-0ubuntu1)
	hirsute	Released (77.0.1+build1-0ubuntu1)
	impish	Released (77.0.1+build1-0ubuntu1)
	jammy	Released (77.0.1+build1-0ubuntu1)
	kinetic	Released (77.0.1+build1-0ubuntu1)
	lunar	Released (77.0.1+build1-0ubuntu1)
	mantic	Released (77.0.1+build1-0ubuntu1)
	trusty	Does not exist
	upstream	Released (77.0)
	xenial	Released (77.0.1+build1-0ubuntu0.16.04.1)
mozjs38 Launchpad, Ubuntu, Debian	bionic	Needs triage
	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
mozjs52 Launchpad, Ubuntu, Debian	bionic	Needs triage
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	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
mozjs60 Launchpad, Ubuntu, Debian	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
	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
mozjs68 Launchpad, Ubuntu, Debian	bionic	Does not exist
	eoan	Does not exist
	focal	Needs triage
	groovy	Ignored (end of life)
	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
thunderbird Launchpad, Ubuntu, Debian	bionic	Released (1:68.10.0+build1-0ubuntu0.18.04.1)
	eoan	Released (1:68.10.0+build1-0ubuntu0.19.10.1)
	focal	Released (1:68.10.0+build1-0ubuntu0.20.04.1)
	groovy	Released (1:68.9.0+build1-0ubuntu1)
	hirsute	Released (1:68.9.0+build1-0ubuntu1)
	impish	Released (1:68.9.0+build1-0ubuntu1)
	jammy	Released (1:68.9.0+build1-0ubuntu1)
	kinetic	Released (1:68.9.0+build1-0ubuntu1)
	lunar	Released (1:68.9.0+build1-0ubuntu1)
	mantic	Released (1:68.9.0+build1-0ubuntu1)
	trusty	Does not exist
	upstream	Released (68.9.0)
	xenial	Released (1:68.10.0+build1-0ubuntu0.16.04.1)

Severity score breakdown

Parameter	Value
Base score	5.3
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

References

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