CVE-2021-23968

Published: 26 February 2021

If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

Notes

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

Priority

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	hirsute	Released (86.0+build3-0ubuntu1)
	impish	Released (86.0+build3-0ubuntu1)
	kinetic	Released (86.0+build3-0ubuntu1)
	upstream	Released (86)
	xenial	Released (86.0+build3-0ubuntu0.16.04.1)
	bionic	Released (86.0+build3-0ubuntu0.18.04.1)
	focal	Released (86.0+build3-0ubuntu0.20.04.1)
	groovy	Released (86.0+build3-0ubuntu0.20.10.1)
	trusty	Does not exist
	jammy	Released (86.0+build3-0ubuntu1)
	lunar	Released (86.0+build3-0ubuntu1)
	mantic	Released (86.0+build3-0ubuntu1)
firefox-esr Launchpad, Ubuntu, Debian	impish	Does not exist
	kinetic	Does not exist
	bionic	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	trusty	Does not exist
	upstream	Released (78.8.0esr-1)
	xenial	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
mozjs38 Launchpad, Ubuntu, Debian	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	kinetic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
	bionic	Needs triage
	focal	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
mozjs52 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Does not exist
	impish	Does not exist
	kinetic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
mozjs60 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	kinetic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
mozjs68 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Needs triage
	hirsute	Does not exist
	impish	Does not exist
	kinetic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
	groovy	Ignored (end of life)
	jammy	Does not exist
	lunar	Does not exist
	mantic	Does not exist
mozjs78 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	groovy	Ignored (end of life)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
	hirsute	Ignored (end of life)
	kinetic	Ignored (end of life, was needs-triage)
	jammy	Needs triage
	impish	Ignored (end of life)
	lunar	Needs triage
	mantic	Does not exist
thunderbird Launchpad, Ubuntu, Debian	bionic	Released (1:78.8.1+build1-0ubuntu0.18.04.1)
	focal	Released (1:78.8.1+build1-0ubuntu0.20.04.1)
	groovy	Released (1:78.8.1+build1-0ubuntu0.20.10.1)
	impish	Not vulnerable (1:78.8.1+build1-0ubuntu1)
	kinetic	Not vulnerable (1:78.8.1+build1-0ubuntu1)
	trusty	Does not exist
	xenial	Ignored (end of standard support, was needed)
	hirsute	Not vulnerable (1:78.8.1+build1-0ubuntu1)
	upstream	Released (78.8)
	jammy	Not vulnerable (1:78.8.1+build1-0ubuntu1)
	lunar	Not vulnerable (1:78.8.1+build1-0ubuntu1)
	mantic	Not vulnerable (1:78.8.1+build1-0ubuntu1)

Severity score breakdown

Parameter	Value
Base score	4.3
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

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