Fedora 31: dovecot FEDORA-2019-ea638fb605

    Date14 Sep 2019
    CategoryFedora
    540
    Posted ByLinuxSecurity Advisories
    * CVE-2019-11500: IMAP protocol parser does not properly handle NUL byte when scanning data in quoted strings, leading to out of bounds heap memory writes
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    Fedora Update Notification
    FEDORA-2019-ea638fb605
    2019-09-14 16:29:06.037941
    --------------------------------------------------------------------------------
    
    Name        : dovecot
    Product     : Fedora 31
    Version     : 2.3.7.2
    Release     : 1.fc31
    URL         : http://www.dovecot.org/
    Summary     : Secure imap and pop3 server
    Description :
    Dovecot is an IMAP server for Linux/UNIX-like systems, written with security
    primarily in mind.  It also contains a small POP3 server.  It supports mail
    in either of maildir or mbox formats.
    
    The SQL drivers and authentication plug-ins are in their subpackages.
    
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    Update Information:
    
    * CVE-2019-11500: IMAP protocol parser does not properly handle NUL byte   when
    scanning data in quoted strings, leading to out of bounds heap   memory writes
    --------------------------------------------------------------------------------
    References:
    
      [ 1 ] Bug #1742010 - dovecot-2.3.7.1 is available
            https://bugzilla.redhat.com/show_bug.cgi?id=1742010
      [ 2 ] Bug #1746666 - CVE-2019-11500 dovecot: improper NULL byte handling in IMAP and ManageSieve protocol parsers leads to  out of bounds writes [fedora-all]
            https://bugzilla.redhat.com/show_bug.cgi?id=1746666
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    This update can be installed with the "dnf" update program. Use
    su -c 'dnf upgrade --advisory FEDORA-2019-ea638fb605' at the command
    line. For more information, refer to the dnf documentation available at
    http://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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