A flaw was found in the temporary user record that authd uses in the pre-auth NSS. As a result, a user login for the first time will be considered to be part of the root group in the context of that SSH session.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-18385 A flaw was found in the temporary user record that authd uses in the pre-auth NSS. As a result, a user login for the first time will be considered to be part of the root group in the context of that SSH session.
Github GHSA Github GHSA GHSA-g8qw-mgjx-rwjr New authd users logging in via SSH are members of the root group
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 27 Aug 2025 01:15:00 +0900

Type Values Removed Values Added
First Time appeared Canonical
Canonical authd
CPEs cpe:2.3:a:canonical:authd:*:*:*:*:*:*:*:*
Vendors & Products Canonical
Canonical authd

Wed, 18 Jun 2025 03:15:00 +0900

Type Values Removed Values Added
Weaknesses CWE-269

Wed, 18 Jun 2025 00:00:00 +0900

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L'}

cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}


Tue, 17 Jun 2025 23:45:00 +0900

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L'}


Tue, 17 Jun 2025 00:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 16 Jun 2025 20:45:00 +0900

Type Values Removed Values Added
Description A flaw was found in the temporary user record that authd uses in the pre-auth NSS. As a result, a user login for the first time will be considered to be part of the root group in the context of that SSH session.
Title Improper Permission Management in SSH Session Handling
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published:

Updated: 2025-06-17T17:27:04.238Z

Reserved: 2025-06-04T17:12:16.505Z

Link: CVE-2025-5689

cve-icon Vulnrichment

Updated: 2025-06-16T14:31:18.283Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-16T12:15:19.610

Modified: 2025-08-26T16:04:34.083

Link: CVE-2025-5689

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses