From: glsamaker@gentoo.org
To: gentoo-announce@lists.gentoo.org
Subject: [gentoo-announce] [ GLSA 202501-04 ] Yubico pam-u2f: Partial Authentication Bypass
Date: Thu, 23 Jan 2025 06:15:32 -0000 [thread overview]
Message-ID: <173761293278.7.17877218589329910738@3f85d36892cf> (raw)
[-- Attachment #1: Type: text/plain, Size: 2364 bytes --]
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202501-04
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High
Title: Yubico pam-u2f: Partial Authentication Bypass
Date: January 23, 2025
Bugs: #948201
ID: 202501-04
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
A vulnerability has been discovered in Yubico pam-u2f, which can lead to
a partial authentication bypass.
Background
==========
Yubico pam-u2f is a PAM module for FIDO2 and U2F keys.
Affected packages
=================
Package Vulnerable Unaffected
---------------- ------------ ------------
sys-auth/pam_u2f < 1.3.2 >= 1.3.2
Description
===========
Multiple vulnerabilities have been discovered in Yubico pam-u2f. Please
review the CVE identifiers referenced below for details.
Impact
======
Depending on specific settings and usage scenarios the result of the
pam-u2f module may be altered or ignored.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Yubico pam-u2f users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-auth/pam_u2f-1.3.2"
References
==========
[ 1 ] CVE-2025-23013
https://nvd.nist.gov/vuln/detail/CVE-2025-23013
[ 2 ] YSA-2025-01
https://www.yubico.com/support/security-advisories/YSA-2025-01
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202501-04
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2025 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
reply other threads:[~2025-01-23 6:18 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=173761293278.7.17877218589329910738@3f85d36892cf \
--to=glsamaker@gentoo.org \
--cc=gentoo-announce@lists.gentoo.org \
--cc=security@gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox