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

Author	Note
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

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)
	lunar	Needs triage
	mantic	Does not exist
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

References

Bugs

https://bugzilla.mozilla.org/show_bug.cgi?id=1804640 (private)

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