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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

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine

Priority

Low

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)
upstream
Released (96)
mantic
Released (96.0+build2-0ubuntu1)
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

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic 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

trusty Does not exist

upstream Needs triage

xenial 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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

mozjs78
Launchpad, Ubuntu, Debian
bionic Does not exist

kinetic Ignored
(end of life, was needs-triage)
focal Does not exist

hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

lunar Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

nss
Launchpad, Ubuntu, Debian
focal
Released (2:3.49.1-1ubuntu1.8)
impish
Released (2:3.68-1ubuntu1.2)
kinetic Not vulnerable
(2:3.79-1)
lunar Not vulnerable
(2:3.79-1)
hirsute Ignored
(end of life, was needed)
upstream
Released (3.73)
bionic
Released (2:3.35-2ubuntu2.15)
jammy Not vulnerable
(2:3.68.2-0ubuntu1)
mantic Not vulnerable
(2:3.79-1)
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)
trusty Does not exist

upstream
Released (91.5)
xenial Ignored
(end of standard support, was needed)
mantic
Released (1:91.5.0+build1-0ubuntu1)

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