CVE-2022-42927

Published: 27 October 2022

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via `performance.getEntries()`. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

Notes

Author	Note
mdeslaur	starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap

Priority

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	bionic	Released (106.0.2+build1-0ubuntu0.18.04.1)
	focal	Released (106.0.2+build1-0ubuntu0.20.04.1)
	jammy	Not vulnerable (code not present)
	kinetic	Not vulnerable (code not present)
	trusty	Ignored (end of standard support)
	xenial	Ignored (end of standard support)
	upstream	Released (106)
	lunar	Not vulnerable (code not present)
thunderbird Launchpad, Ubuntu, Debian	lunar	Not vulnerable (1:102.10.0+build2-0ubuntu1)
	bionic	Released (1:102.4.2+build2-0ubuntu0.18.04.1)
	focal	Released (1:102.4.2+build2-0ubuntu0.20.04.1)
	jammy	Released (1:102.4.2+build2-0ubuntu0.22.04.1)
	kinetic	Released (1:102.4.2+build2-0ubuntu0.22.10.1)
	trusty	Ignored (end of standard support)
	upstream	Released (1:102.4.0-1)
	xenial	Ignored (end of standard support)

Severity score breakdown

Parameter	Value
Base score	8.1
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References

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