Improper Authentication in pam-u2f - CVE-2025-23013

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Main Vulnerability Database Vulnerabilities #VU102855

Improper Authentication in pam-u2f - CVE-2025-23013

Published: January 16, 2025


Vulnerability identifier: #VU102855
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-23013
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests. A local user can bypass authentication process and gain unauthorized access to the application.


Affected software

pam-u2f
Gentoo Linux
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP3
Debian Linux
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Enterprise Storage
Fedora
Basesystem Module
openSUSE Leap
Ubuntu
pam-u2f (Ubuntu package)
pam_u2f-debuginfo
pam_u2f-debugsource
pam_u2f
pam-u2f (Debian package)
pam-u2f
sys-auth/pam_u2f

How to mitigate CVE-2025-23013

Install updates from vendor's website.

pam-u2f - update to 1.3.1
pam-u2f (Ubuntu package) - addressed in versions 1.0.8-1ubuntu0.1~esm1, 1.1.0-1.1+deb12u1build0.22.04.1, 1.1.0-1.1+deb12u1build0.24.04.1
pam_u2f-debuginfo - addressed in versions 1.0.8-3.6.1, 1.0.8-150000.3.6.1, 1.2.0-150400.4.5.1, 1.2.0-150600.10.5.1
pam_u2f-debugsource - addressed in versions 1.0.8-3.6.1, 1.0.8-150000.3.6.1, 1.2.0-150400.4.5.1, 1.2.0-150600.10.5.1
pam_u2f - addressed in versions 1.0.8-3.6.1, 1.0.8-150000.3.6.1, 1.2.0-150400.4.5.1, 1.2.0-150600.10.5.1
pam-u2f (Debian package) - update to 1.1.0-1.1+deb12u1
pam-u2f - addressed in versions 1.3.1-1.el9, 1.3.1-1.fc40, 1.3.1-1.fc41, 1.3.2-1.el9, 1.3.2-1.fc40, 1.3.2-1.fc41
sys-auth/pam_u2f - update to 1.3.2

External References

Related Security Bulletins