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    RedHat: RHSA-2020-5203:01 Moderate: bind security update

    Date 24 Nov 2020
    312
    Posted By LinuxSecurity Advisories
    An update for bind 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 Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Moderate: bind security update
    Advisory ID:       RHSA-2020:5203-01
    Product:           Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2020:5203
    Issue date:        2020-11-24
    CVE Names:         CVE-2020-8622 CVE-2020-8623 CVE-2020-8624 
    =====================================================================
    
    1. Summary:
    
    An update for bind 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 Moderate. 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) - noarch, x86_64
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
    Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
    Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, s390x, 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: truncated TSIG response can lead to an assertion failure
    (CVE-2020-8622)
    
    * bind: remotely triggerable assertion failure in pk11.c (CVE-2020-8623)
    
    * bind: incorrect enforcement of update-policy rules of type "subdomain"
    (CVE-2020-8624)
    
    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/):
    
    1869473 - CVE-2020-8622 bind: truncated TSIG response can lead to an assertion failure
    1869477 - CVE-2020-8623 bind: remotely triggerable assertion failure in pk11.c
    1869480 - CVE-2020-8624 bind: incorrect enforcement of update-policy rules of type "subdomain"
    
    6. Package List:
    
    Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
    
    Source:
    bind-9.11.4-9.P2.el7_7.3.src.rpm
    
    noarch:
    bind-license-9.11.4-9.P2.el7_7.3.noarch.rpm
    
    x86_64:
    bind-debuginfo-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-utils-9.11.4-9.P2.el7_7.3.x86_64.rpm
    
    Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
    
    x86_64:
    bind-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-chroot-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-utils-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-sdb-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-sdb-chroot-9.11.4-9.P2.el7_7.3.x86_64.rpm
    
    Red Hat Enterprise Linux Server EUS (v. 7.7):
    
    Source:
    bind-9.11.4-9.P2.el7_7.3.src.rpm
    
    noarch:
    bind-license-9.11.4-9.P2.el7_7.3.noarch.rpm
    
    ppc64:
    bind-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-chroot-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-pkcs11-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-pkcs11-utils-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-utils-9.11.4-9.P2.el7_7.3.ppc64.rpm
    
    ppc64le:
    bind-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-chroot-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-pkcs11-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-pkcs11-utils-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-utils-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    
    s390x:
    bind-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-chroot-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-pkcs11-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-pkcs11-utils-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-utils-9.11.4-9.P2.el7_7.3.s390x.rpm
    
    x86_64:
    bind-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-chroot-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-export-libs-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-libs-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-libs-lite-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-pkcs11-libs-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-utils-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-utils-9.11.4-9.P2.el7_7.3.x86_64.rpm
    
    Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
    
    ppc64:
    bind-debuginfo-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.ppc.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-sdb-9.11.4-9.P2.el7_7.3.ppc64.rpm
    bind-sdb-chroot-9.11.4-9.P2.el7_7.3.ppc64.rpm
    
    ppc64le:
    bind-debuginfo-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-sdb-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    bind-sdb-chroot-9.11.4-9.P2.el7_7.3.ppc64le.rpm
    
    s390x:
    bind-debuginfo-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.s390.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-sdb-9.11.4-9.P2.el7_7.3.s390x.rpm
    bind-sdb-chroot-9.11.4-9.P2.el7_7.3.s390x.rpm
    
    x86_64:
    bind-debuginfo-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-debuginfo-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-export-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-lite-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.i686.rpm
    bind-pkcs11-devel-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-sdb-9.11.4-9.P2.el7_7.3.x86_64.rpm
    bind-sdb-chroot-9.11.4-9.P2.el7_7.3.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-2020-8622
    https://access.redhat.com/security/cve/CVE-2020-8623
    https://access.redhat.com/security/cve/CVE-2020-8624
    https://access.redhat.com/security/updates/classification/#moderate
    
    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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