CVE-2022-22747

Published: 13 January 2022

After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Notes

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

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	bionic	Released (96.0+build2-0ubuntu0.18.04.1)
	focal	Released (96.0+build2-0ubuntu0.20.04.1)
	hirsute	Released (96.0+build2-0ubuntu0.21.04.1)
	impish	Released (96.0+build2-0ubuntu0.21.10.1)
	jammy	Released (96.0+build2-0ubuntu1)
	kinetic	Released (96.0+build2-0ubuntu1)
	lunar	Released (96.0+build2-0ubuntu1)
	mantic	Released (96.0+build2-0ubuntu1)
	upstream	Released (96)
mozjs38 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	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
	focal	Needs triage
	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
	focal	Needs triage
	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
mozjs78 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
nss Launchpad, Ubuntu, Debian	bionic	Released (2:3.35-2ubuntu2.15)
	focal	Released (2:3.49.1-1ubuntu1.8)
	hirsute	Ignored (end of life, was needed)
	impish	Released (2:3.68-1ubuntu1.2)
	jammy	Not vulnerable (2:3.68.2-0ubuntu1)
	kinetic	Not vulnerable (2:3.79-1)
	lunar	Not vulnerable (2:3.79-1)
	mantic	Not vulnerable (2:3.79-1)
	trusty	Released (2:3.28.4-0ubuntu0.14.04.5+esm11) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (3.73)
	xenial	Released (2:3.28.4-0ubuntu0.16.04.14+esm3) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	Patches: upstream: https://hg.mozilla.org/projects/nss/rev/7ff99e71f3e37faed12bc3cc90a3eed27e3418d0
thunderbird Launchpad, Ubuntu, Debian	bionic	Released (1:91.5.0+build1-0ubuntu0.18.04.1)
	focal	Released (1:91.5.0+build1-0ubuntu0.20.04.1)
	hirsute	Ignored (end of life)
	impish	Released (1:91.5.0+build1-0ubuntu0.21.10.1)
	jammy	Released (1:91.5.0+build1-0ubuntu1)
	kinetic	Released (1:91.5.0+build1-0ubuntu1)
	lunar	Released (1:91.5.0+build1-0ubuntu1)
	mantic	Released (1:91.5.0+build1-0ubuntu1)
	trusty	Does not exist
	upstream	Released (91.5)
	xenial	Ignored (end of standard support, was needed)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Bugs

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