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    RedHat: RHSA-2020-4181:01 Important: unbound security update

    Date 06 Oct 2020
    144
    Posted By LinuxSecurity Advisories
    An update for unbound is now available for Red Hat Enterprise Linux 7.7 Extended 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: unbound security update
    Advisory ID:       RHSA-2020:4181-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4181
    Issue date:        2020-10-06
    CVE Names:         CVE-2020-12662 CVE-2020-12663 
    =====================================================================
    
    1. Summary:
    
    An update for unbound is now available for Red Hat Enterprise Linux 7.7
    Extended 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 ComputeNode EUS (v. 7.7) - x86_64
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
    Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64
    
    3. Description:
    
    The unbound packages provide a validating, recursive, and caching DNS or
    DNSSEC resolver. 
    
    Security Fix(es):
    
    * unbound: amplification of an incoming query into a large number of
    queries directed to a target (CVE-2020-12662)
    
    * unbound: infinite loop via malformed DNS answers received from upstream
    servers (CVE-2020-12663)
    
    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/):
    
    1837597 - CVE-2020-12662 unbound: amplification of an incoming query into a large number of queries directed to a target
    1837604 - CVE-2020-12663 unbound: infinite loop via malformed DNS answers received from upstream servers
    
    6. Package List:
    
    Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
    
    Source:
    unbound-1.6.6-2.el7_7.src.rpm
    
    x86_64:
    unbound-debuginfo-1.6.6-2.el7_7.i686.rpm
    unbound-debuginfo-1.6.6-2.el7_7.x86_64.rpm
    unbound-libs-1.6.6-2.el7_7.i686.rpm
    unbound-libs-1.6.6-2.el7_7.x86_64.rpm
    
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
    
    x86_64:
    unbound-1.6.6-2.el7_7.x86_64.rpm
    unbound-debuginfo-1.6.6-2.el7_7.i686.rpm
    unbound-debuginfo-1.6.6-2.el7_7.x86_64.rpm
    unbound-devel-1.6.6-2.el7_7.i686.rpm
    unbound-devel-1.6.6-2.el7_7.x86_64.rpm
    unbound-python-1.6.6-2.el7_7.x86_64.rpm
    
    Red Hat Enterprise Linux Server EUS (v. 7.7):
    
    Source:
    unbound-1.6.6-2.el7_7.src.rpm
    
    ppc64:
    unbound-1.6.6-2.el7_7.ppc64.rpm
    unbound-debuginfo-1.6.6-2.el7_7.ppc.rpm
    unbound-debuginfo-1.6.6-2.el7_7.ppc64.rpm
    unbound-libs-1.6.6-2.el7_7.ppc.rpm
    unbound-libs-1.6.6-2.el7_7.ppc64.rpm
    
    ppc64le:
    unbound-1.6.6-2.el7_7.ppc64le.rpm
    unbound-debuginfo-1.6.6-2.el7_7.ppc64le.rpm
    unbound-libs-1.6.6-2.el7_7.ppc64le.rpm
    
    s390x:
    unbound-1.6.6-2.el7_7.s390x.rpm
    unbound-debuginfo-1.6.6-2.el7_7.s390.rpm
    unbound-debuginfo-1.6.6-2.el7_7.s390x.rpm
    unbound-libs-1.6.6-2.el7_7.s390.rpm
    unbound-libs-1.6.6-2.el7_7.s390x.rpm
    
    x86_64:
    unbound-1.6.6-2.el7_7.x86_64.rpm
    unbound-debuginfo-1.6.6-2.el7_7.i686.rpm
    unbound-debuginfo-1.6.6-2.el7_7.x86_64.rpm
    unbound-libs-1.6.6-2.el7_7.i686.rpm
    unbound-libs-1.6.6-2.el7_7.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
    
    ppc64:
    unbound-debuginfo-1.6.6-2.el7_7.ppc.rpm
    unbound-debuginfo-1.6.6-2.el7_7.ppc64.rpm
    unbound-devel-1.6.6-2.el7_7.ppc.rpm
    unbound-devel-1.6.6-2.el7_7.ppc64.rpm
    unbound-python-1.6.6-2.el7_7.ppc64.rpm
    
    ppc64le:
    unbound-debuginfo-1.6.6-2.el7_7.ppc64le.rpm
    unbound-devel-1.6.6-2.el7_7.ppc64le.rpm
    unbound-python-1.6.6-2.el7_7.ppc64le.rpm
    
    s390x:
    unbound-debuginfo-1.6.6-2.el7_7.s390.rpm
    unbound-debuginfo-1.6.6-2.el7_7.s390x.rpm
    unbound-devel-1.6.6-2.el7_7.s390.rpm
    unbound-devel-1.6.6-2.el7_7.s390x.rpm
    unbound-python-1.6.6-2.el7_7.s390x.rpm
    
    x86_64:
    unbound-debuginfo-1.6.6-2.el7_7.i686.rpm
    unbound-debuginfo-1.6.6-2.el7_7.x86_64.rpm
    unbound-devel-1.6.6-2.el7_7.i686.rpm
    unbound-devel-1.6.6-2.el7_7.x86_64.rpm
    unbound-python-1.6.6-2.el7_7.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-2020-12662
    https://access.redhat.com/security/cve/CVE-2020-12663
    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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