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Fedora 35 FEDORA-2021-a52d48b1c2 Critical: pam-u2f Local Bypass

fedora
Calendar Grey December 13, 2021
Dist Fedora Esm H88
Fedora 35's recent update fixes a security vulnerability that allowed local PIN bypass via pam-u2f. Users are advised to upgrade quickly to enhance security and ensure compliance
Security fix for CVE-2021-31924

Summary

The PAM U2F module provides an easy way to integrate the Yubikey (or

other U2F-compliant authenticators) into your existing user

authentication infrastructure.

Security fix for CVE-2021-31924

* Sun Dec 5 2021 Gary Buhrmaster - 1.2.0-2

- Update changelog to reflect security related issues/tickets

- Fixes CVE-2021-31924

- Fixes rhbz#2028244

- Fixes rhbz#2028245

* Mon Nov 8 2021 Gary Burhmaster - 1.2.0-1

- Update to 1.2.0 upstream release (#1993435)

- Support (optional) autoreconf invokation if needed for patches

- Migrate to pkgconfig for BR per packaging guidelines

[ 1 ] Bug #2028244 - CVE-2021-31924 pam-u2f: Logic issue may lead to local PIN bypass

https://bugzilla.redhat.com/show_bug.cgi?id=2028244

su -c 'dnf upgrade --advisory FEDORA-2021-a52d48b1c2' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 35
Version: 1.2.0
Release: 2.fc35
Summary: Implements PAM authentication over U2F

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