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CVE-2023-0767

Published: 15 February 2023

An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur
starting with Ubuntu 22.04, the firefox package is just a script
that installs the Firefox snap

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic
Released (110.0+build3-0ubuntu0.18.04.1)
focal
Released (110.0+build3-0ubuntu0.20.04.1)
trusty Ignored
(end of standard support)
upstream
Released (110.0-1)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
xenial Ignored
(end of standard support)
mantic Not vulnerable
(code not present)
mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

focal 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

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

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

jammy Needs triage

trusty Does not exist

upstream Needs triage

xenial Does not exist

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

lunar Ignored
(end of life, was needs-triage)
mozjs91
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needs triage

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

nss
Launchpad, Ubuntu, Debian
bionic
Released (2:3.35-2ubuntu2.16)
focal
Released (2:3.49.1-1ubuntu1.9)
jammy
Released (2:3.68.2-0ubuntu1.2)
kinetic
Released (2:3.82-1ubuntu0.1)
trusty
Released (2:3.28.4-0ubuntu0.14.04.5+esm12)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (2:3.87.1-1)
xenial
Released (2:3.28.4-0ubuntu0.16.04.14+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
lunar
Released (2:3.87.1-1)
mantic
Released (2:3.87.1-1)
Patches:
upstream: https://hg.mozilla.org/projects/nss/rev/684586ec163ad4fbbf15ea2cd1ee5c2da43036ad (3.88)
upstream: https://hg.mozilla.org/projects/nss/rev/62f6b3e9024dd72ba3af9ce23848d7573b934f18 (3.87)
upstream: https://hg.mozilla.org/projects/nss/rev/57c60a4da16503b7827ccd763354faf151514b57 (3.79)
thunderbird
Launchpad, Ubuntu, Debian
bionic
Released (1:102.8.0+build2-0ubuntu0.18.04.1)
jammy
Released (1:102.8.0+build2-0ubuntu0.22.04.1)
kinetic
Released (1:102.8.0+build2-0ubuntu0.22.10.1)
trusty Ignored
(end of standard support)
upstream Needs triage

focal
Released (1:102.8.0+build2-0ubuntu0.20.04.1)
lunar Not vulnerable
(1:102.10.0+build2-0ubuntu1)
xenial Ignored
(end of standard support)
mantic Not vulnerable
(1:102.10.0+build2-0ubuntu1)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H