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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)
upstream
Released (96)
xenial Needs triage

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

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

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

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
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needs triage

kinetic Needs triage

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 Needed

impish
Released (2:3.68-1ubuntu1.2)
jammy Not vulnerable
(2:3.68.2-0ubuntu1)
kinetic Not vulnerable
(2:3.79-1)
trusty Needed

upstream
Released (3.73)
xenial Needed

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
(reached 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)
trusty Does not exist

upstream
Released (91.5)
xenial 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