CVE-2022-41859

Publication date 17 January 2023

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allows an attacker to substantially reduce the size of an offline dictionary attack.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
freeradius	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Ignored changes too intrusive
	18.04 LTS bionic	Ignored changes too intrusive
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Ignored end of standard support

Notes

0xnishit

This issue affects bionic and focal releases, but the changes requires major code changes and backporting.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
freeradius	Upstream: 9e5e8f2

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N