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Fedora 33: FEDORA-2020-22532a1a81 Moderate: PAM Authentication Bypass

fedora
Calendar Grey November 27, 2020
Dist Fedora Esm H88
Ubuntu 20.04 patch resolves privilege escalation in SUDO, mitigating CVE-2021-3156 to strengthen system protection.
fix CVE-2020-27780: authentication bypass when the user doesn't exist

Summary

PAM (Pluggable Authentication Modules) is a system security tool that

allows system administrators to set authentication policy without

having to recompile programs that handle authentication.

fix CVE-2020-27780: authentication bypass when the user doesn't exist

* Tue Nov 24 2020 Iker Pedrosa - 1.4.0-9

- fix CVE-2020-27780: authentication bypass when the user doesn't exist

and root password is blank (#1901173)

[ 1 ] Bug #1901094 - CVE-2020-27780 pam: authentication bypass when the user doesn't exist and root password is blank

https://bugzilla.redhat.com/show_bug.cgi?id=1901094

su -c 'dnf upgrade --advisory FEDORA-2020-22532a1a81' 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
important
Lowest
Low
Medium
High
Critical

Product: Fedora 33
Version: 1.4.0
Release: 9.fc33
Summary: An extensible library which provides authentication for applications

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