CVE-2022-4254

Publication date 1 February 2023

Last updated 18 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters

Read the notes from the security team

Status

Package Ubuntu Release Status
sssd 25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Fixed 2.2.3-3ubuntu0.11
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored end of standard support

Notes

mdeslaur

introduced in 1.15.3

Patch details

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

Package Patch details
sssd

Severity score breakdown

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

References

Related Ubuntu Security Notices (USN)

Other references