Linux Security
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    Linux Security

    RedHat: RHSA-2019-2885:01 Important: dovecot security update

    Date 23 Sep 2019
    802
    Posted By LinuxSecurity Advisories
    An update for dovecot is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: dovecot security update
    Advisory ID:       RHSA-2019:2885-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2885
    Issue date:        2019-09-23
    CVE Names:         CVE-2019-11500 
    =====================================================================
    
    1. Summary:
    
    An update for dovecot is now available for Red Hat Enterprise Linux 6.
    
    Red Hat Product Security has rated this update as having a security impact
    of Important. A Common Vulnerability Scoring System (CVSS) base score,
    which gives a detailed severity rating, is available for each vulnerability
    from the CVE link(s) in the References section.
    
    2. Relevant releases/architectures:
    
    Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
    Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
    Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
    Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
    
    3. Description:
    
    Dovecot is an IMAP server for Linux and other UNIX-like systems, written
    primarily with security in mind. It also contains a small POP3 server, and
    supports e-mail in either the maildir or mbox format. The SQL drivers and
    authentication plug-ins are provided as subpackages. 
    
    Security Fix(es):
    
    * dovecot: improper NULL byte handling in IMAP and ManageSieve protocol
    parsers leads to out of bounds writes (CVE-2019-11500)
    
    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    page(s) listed in the References section.
    
    4. Solution:
    
    For details on how to apply this update, which includes the changes
    described in this advisory, refer to:
    
    https://access.redhat.com/articles/11258
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1741141 - CVE-2019-11500 dovecot: improper NULL byte handling in IMAP and ManageSieve protocol parsers leads to out of bounds writes
    
    6. Package List:
    
    Red Hat Enterprise Linux Server (v. 6):
    
    Source:
    dovecot-2.0.9-22.el6_10.1.src.rpm
    
    i386:
    dovecot-2.0.9-22.el6_10.1.i686.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.i686.rpm
    dovecot-mysql-2.0.9-22.el6_10.1.i686.rpm
    dovecot-pgsql-2.0.9-22.el6_10.1.i686.rpm
    dovecot-pigeonhole-2.0.9-22.el6_10.1.i686.rpm
    
    ppc64:
    dovecot-2.0.9-22.el6_10.1.ppc.rpm
    dovecot-2.0.9-22.el6_10.1.ppc64.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.ppc.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.ppc64.rpm
    dovecot-mysql-2.0.9-22.el6_10.1.ppc64.rpm
    dovecot-pgsql-2.0.9-22.el6_10.1.ppc64.rpm
    dovecot-pigeonhole-2.0.9-22.el6_10.1.ppc64.rpm
    
    s390x:
    dovecot-2.0.9-22.el6_10.1.s390.rpm
    dovecot-2.0.9-22.el6_10.1.s390x.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.s390.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.s390x.rpm
    dovecot-mysql-2.0.9-22.el6_10.1.s390x.rpm
    dovecot-pgsql-2.0.9-22.el6_10.1.s390x.rpm
    dovecot-pigeonhole-2.0.9-22.el6_10.1.s390x.rpm
    
    x86_64:
    dovecot-2.0.9-22.el6_10.1.i686.rpm
    dovecot-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.i686.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-mysql-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-pgsql-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-pigeonhole-2.0.9-22.el6_10.1.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional (v. 6):
    
    i386:
    dovecot-debuginfo-2.0.9-22.el6_10.1.i686.rpm
    dovecot-devel-2.0.9-22.el6_10.1.i686.rpm
    
    ppc64:
    dovecot-debuginfo-2.0.9-22.el6_10.1.ppc64.rpm
    dovecot-devel-2.0.9-22.el6_10.1.ppc64.rpm
    
    s390x:
    dovecot-debuginfo-2.0.9-22.el6_10.1.s390x.rpm
    dovecot-devel-2.0.9-22.el6_10.1.s390x.rpm
    
    x86_64:
    dovecot-debuginfo-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-devel-2.0.9-22.el6_10.1.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation (v. 6):
    
    Source:
    dovecot-2.0.9-22.el6_10.1.src.rpm
    
    i386:
    dovecot-2.0.9-22.el6_10.1.i686.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.i686.rpm
    dovecot-mysql-2.0.9-22.el6_10.1.i686.rpm
    dovecot-pgsql-2.0.9-22.el6_10.1.i686.rpm
    dovecot-pigeonhole-2.0.9-22.el6_10.1.i686.rpm
    
    x86_64:
    dovecot-2.0.9-22.el6_10.1.i686.rpm
    dovecot-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.i686.rpm
    dovecot-debuginfo-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-mysql-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-pgsql-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-pigeonhole-2.0.9-22.el6_10.1.x86_64.rpm
    
    Red Hat Enterprise Linux Workstation Optional (v. 6):
    
    i386:
    dovecot-debuginfo-2.0.9-22.el6_10.1.i686.rpm
    dovecot-devel-2.0.9-22.el6_10.1.i686.rpm
    
    x86_64:
    dovecot-debuginfo-2.0.9-22.el6_10.1.x86_64.rpm
    dovecot-devel-2.0.9-22.el6_10.1.x86_64.rpm
    
    These packages are GPG signed by Red Hat for security.  Our key and
    details on how to verify the signature are available from
    https://access.redhat.com/security/team/key/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2019-11500
    https://access.redhat.com/security/updates/classification/#important
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2019 Red Hat, Inc.
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