Linux Security
    Linux Security
    Linux Security

    Fedora 33: pam 2020-22532a1a81

    Date 27 Nov 2020
    445
    Posted By LinuxSecurity Advisories
    fix CVE-2020-27780: authentication bypass when the user doesn't exist
    --------------------------------------------------------------------------------
    Fedora Update Notification
    FEDORA-2020-22532a1a81
    2020-11-28 02:02:44.955114
    --------------------------------------------------------------------------------
    
    Name        : pam
    Product     : Fedora 33
    Version     : 1.4.0
    Release     : 9.fc33
    URL         : https://www.linux-pam.org/
    Summary     : An extensible library which provides authentication for applications
    Description :
    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.
    
    --------------------------------------------------------------------------------
    Update Information:
    
    fix CVE-2020-27780: authentication bypass when the user doesn't exist
    --------------------------------------------------------------------------------
    ChangeLog:
    
    * 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)
    --------------------------------------------------------------------------------
    References:
    
      [ 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
    --------------------------------------------------------------------------------
    
    This update can be installed with the "dnf" update program. Use
    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#upgrade-command-label
    
    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/keys
    --------------------------------------------------------------------------------
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