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    RedHat: RHSA-2020-3379:01 Important: bind security update

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    An update for bind is now available for Red Hat Enterprise Linux 6.5 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: bind security update
    Advisory ID:       RHSA-2020:3379-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3379
    Issue date:        2020-08-10
    CVE Names:         CVE-2020-8616 CVE-2020-8617 
    =====================================================================
    
    1. Summary:
    
    An update for bind is now available for Red Hat Enterprise Linux 6.5
    Advanced Update Support.
    
    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 AUS (v. 6.5) - x86_64
    Red Hat Enterprise Linux Server Optional AUS (v. 6.5) - x86_64
    
    3. Description:
    
    The Berkeley Internet Name Domain (BIND) is an implementation of the Domain
    Name System (DNS) protocols. BIND includes a DNS server (named); a resolver
    library (routines for applications to use when interfacing with DNS); and
    tools for verifying that the DNS server is operating correctly.
    
    Security Fix(es):
    
    * bind: BIND does not sufficiently limit the number of fetches performed
    when processing referrals (CVE-2020-8616)
    
    * bind: A logic error in code which checks TSIG validity can be used to
    trigger an assertion failure in tsig.c (CVE-2020-8617)
    
    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
    
    After installing the update, the BIND daemon (named) will be restarted
    automatically.
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1836118 - CVE-2020-8616 bind: BIND does not sufficiently limit the number of fetches performed when processing referrals
    1836124 - CVE-2020-8617 bind: A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c
    
    6. Package List:
    
    Red Hat Enterprise Linux Server AUS (v. 6.5):
    
    Source:
    bind-9.8.2-0.23.rc1.el6_5.9.src.rpm
    
    x86_64:
    bind-9.8.2-0.23.rc1.el6_5.9.x86_64.rpm
    bind-chroot-9.8.2-0.23.rc1.el6_5.9.x86_64.rpm
    bind-debuginfo-9.8.2-0.23.rc1.el6_5.9.i686.rpm
    bind-debuginfo-9.8.2-0.23.rc1.el6_5.9.x86_64.rpm
    bind-libs-9.8.2-0.23.rc1.el6_5.9.i686.rpm
    bind-libs-9.8.2-0.23.rc1.el6_5.9.x86_64.rpm
    bind-utils-9.8.2-0.23.rc1.el6_5.9.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional AUS (v. 6.5):
    
    Source:
    bind-9.8.2-0.23.rc1.el6_5.9.src.rpm
    
    x86_64:
    bind-debuginfo-9.8.2-0.23.rc1.el6_5.9.i686.rpm
    bind-debuginfo-9.8.2-0.23.rc1.el6_5.9.x86_64.rpm
    bind-devel-9.8.2-0.23.rc1.el6_5.9.i686.rpm
    bind-devel-9.8.2-0.23.rc1.el6_5.9.x86_64.rpm
    bind-sdb-9.8.2-0.23.rc1.el6_5.9.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-2020-8616
    https://access.redhat.com/security/cve/CVE-2020-8617
    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 2020 Red Hat, Inc.
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