CVE-2021-23961

Published: 26 January 2021

Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 85.

Notes

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

Priority

Cvss 3 Severity Score

7.4

Score breakdown

Status

Package	Release	Status
mozjs78 Launchpad, Ubuntu, Debian	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
	impish	Ignored (end of life)
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	bionic	Does not exist
	focal	Does not exist
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Needs triage
thunderbird Launchpad, Ubuntu, Debian	impish	Released (1:78.11.0+build1-0ubuntu2)
	groovy	Released (1:78.11.0+build1-0ubuntu0.20.10.2)
	hirsute	Released (1:78.11.0+build1-0ubuntu0.21.04.2)
	trusty	Does not exist
	xenial	Ignored (end of standard support)
	upstream	Released (78.10)
	bionic	Released (1:78.11.0+build1-0ubuntu0.18.04.2)
	focal	Released (1:78.11.0+build1-0ubuntu0.20.04.2)
	jammy	Released (1:78.11.0+build1-0ubuntu2)
	kinetic	Released (1:78.11.0+build1-0ubuntu2)
	lunar	Released (1:78.11.0+build1-0ubuntu2)
firefox Launchpad, Ubuntu, Debian	impish	Released (85.0+build1-0ubuntu1)
	upstream	Released (85)
	trusty	Does not exist
	bionic	Released (85.0+build1-0ubuntu0.18.04.1)
	hirsute	Released (85.0+build1-0ubuntu1)
	focal	Released (85.0+build1-0ubuntu0.20.04.1)
	groovy	Released (85.0+build1-0ubuntu0.20.10.1)
	xenial	Released (85.0+build1-0ubuntu0.16.04.1)
	jammy	Released (85.0+build1-0ubuntu1)
	kinetic	Released (85.0+build1-0ubuntu1)
	lunar	Released (85.0+build1-0ubuntu1)
mozjs38 Launchpad, Ubuntu, Debian	impish	Does not exist
	upstream	Needs triage
	trusty	Does not exist
	xenial	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
mozjs52 Launchpad, Ubuntu, Debian	impish	Does not exist
	groovy	Ignored (end of life)
	upstream	Needs triage
	trusty	Does not exist
	xenial	Does not exist
	bionic	Needs triage
	focal	Needs triage
	hirsute	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
mozjs60 Launchpad, Ubuntu, Debian	impish	Does not exist
	upstream	Needs triage
	trusty	Does not exist
	xenial	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
mozjs68 Launchpad, Ubuntu, Debian	impish	Does not exist
	groovy	Ignored (end of life)
	upstream	Needs triage
	trusty	Does not exist
	xenial	Does not exist
	bionic	Does not exist
	focal	Needs triage
	hirsute	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist

Severity score breakdown

Parameter	Value
Base score	7.4
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

References

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