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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2163 unbound security update 23 June 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: unbound Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux WS/Desktop 6 Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-12663 CVE-2020-12662 CVE-2020-10772 Reference: ESB-2020.1987 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2640 https://access.redhat.com/errata/RHSA-2020:2642 Comment: This bulletin contains two (2) Red Hat security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: unbound security update Advisory ID: RHSA-2020:2642-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2642 Issue date: 2020-06-22 CVE Names: CVE-2020-10772 ===================================================================== 1. Summary: An update for unbound is now available for Red Hat Enterprise Linux 7. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): * unbound: incomplete fix for CVE-2020-12662 in RHEL7 (CVE-2020-10772) 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/): 1846026 - CVE-2020-10772 unbound: incomplete fix for CVE-2020-12662 in RHEL7 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: unbound-1.6.6-5.el7_8.src.rpm x86_64: unbound-1.6.6-5.el7_8.x86_64.rpm unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-libs-1.6.6-5.el7_8.i686.rpm unbound-libs-1.6.6-5.el7_8.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-devel-1.6.6-5.el7_8.i686.rpm unbound-devel-1.6.6-5.el7_8.x86_64.rpm unbound-python-1.6.6-5.el7_8.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: unbound-1.6.6-5.el7_8.src.rpm x86_64: unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-libs-1.6.6-5.el7_8.i686.rpm unbound-libs-1.6.6-5.el7_8.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: unbound-1.6.6-5.el7_8.x86_64.rpm unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-devel-1.6.6-5.el7_8.i686.rpm unbound-devel-1.6.6-5.el7_8.x86_64.rpm unbound-python-1.6.6-5.el7_8.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: unbound-1.6.6-5.el7_8.src.rpm ppc64: unbound-1.6.6-5.el7_8.ppc64.rpm unbound-debuginfo-1.6.6-5.el7_8.ppc.rpm unbound-debuginfo-1.6.6-5.el7_8.ppc64.rpm unbound-libs-1.6.6-5.el7_8.ppc.rpm unbound-libs-1.6.6-5.el7_8.ppc64.rpm ppc64le: unbound-1.6.6-5.el7_8.ppc64le.rpm unbound-debuginfo-1.6.6-5.el7_8.ppc64le.rpm unbound-libs-1.6.6-5.el7_8.ppc64le.rpm s390x: unbound-1.6.6-5.el7_8.s390x.rpm unbound-debuginfo-1.6.6-5.el7_8.s390.rpm unbound-debuginfo-1.6.6-5.el7_8.s390x.rpm unbound-libs-1.6.6-5.el7_8.s390.rpm unbound-libs-1.6.6-5.el7_8.s390x.rpm x86_64: unbound-1.6.6-5.el7_8.x86_64.rpm unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-libs-1.6.6-5.el7_8.i686.rpm unbound-libs-1.6.6-5.el7_8.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: unbound-debuginfo-1.6.6-5.el7_8.ppc.rpm unbound-debuginfo-1.6.6-5.el7_8.ppc64.rpm unbound-devel-1.6.6-5.el7_8.ppc.rpm unbound-devel-1.6.6-5.el7_8.ppc64.rpm unbound-python-1.6.6-5.el7_8.ppc64.rpm ppc64le: unbound-debuginfo-1.6.6-5.el7_8.ppc64le.rpm unbound-devel-1.6.6-5.el7_8.ppc64le.rpm unbound-python-1.6.6-5.el7_8.ppc64le.rpm s390x: unbound-debuginfo-1.6.6-5.el7_8.s390.rpm unbound-debuginfo-1.6.6-5.el7_8.s390x.rpm unbound-devel-1.6.6-5.el7_8.s390.rpm unbound-devel-1.6.6-5.el7_8.s390x.rpm unbound-python-1.6.6-5.el7_8.s390x.rpm x86_64: unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-devel-1.6.6-5.el7_8.i686.rpm unbound-devel-1.6.6-5.el7_8.x86_64.rpm unbound-python-1.6.6-5.el7_8.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: unbound-1.6.6-5.el7_8.src.rpm x86_64: unbound-1.6.6-5.el7_8.x86_64.rpm unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-libs-1.6.6-5.el7_8.i686.rpm unbound-libs-1.6.6-5.el7_8.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: unbound-debuginfo-1.6.6-5.el7_8.i686.rpm unbound-debuginfo-1.6.6-5.el7_8.x86_64.rpm unbound-devel-1.6.6-5.el7_8.i686.rpm unbound-devel-1.6.6-5.el7_8.x86_64.rpm unbound-python-1.6.6-5.el7_8.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-2020-10772 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - ------------------------------------------------------------------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: unbound security update Advisory ID: RHSA-2020:2640-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2640 Issue date: 2020-06-22 CVE Names: CVE-2020-12662 CVE-2020-12663 ===================================================================== 1. Summary: An update for unbound 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 Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 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: 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 Desktop (v. 6): Source: unbound-1.4.20-29.el6_10.1.src.rpm i386: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm x86_64: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: unbound-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm x86_64: unbound-1.4.20-29.el6_10.1.x86_64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: unbound-1.4.20-29.el6_10.1.src.rpm i386: unbound-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm ppc64: unbound-1.4.20-29.el6_10.1.ppc64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.ppc.rpm unbound-debuginfo-1.4.20-29.el6_10.1.ppc64.rpm unbound-libs-1.4.20-29.el6_10.1.ppc.rpm unbound-libs-1.4.20-29.el6_10.1.ppc64.rpm s390x: unbound-1.4.20-29.el6_10.1.s390x.rpm unbound-debuginfo-1.4.20-29.el6_10.1.s390.rpm unbound-debuginfo-1.4.20-29.el6_10.1.s390x.rpm unbound-libs-1.4.20-29.el6_10.1.s390.rpm unbound-libs-1.4.20-29.el6_10.1.s390x.rpm x86_64: unbound-1.4.20-29.el6_10.1.x86_64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): i386: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm ppc64: unbound-debuginfo-1.4.20-29.el6_10.1.ppc.rpm unbound-debuginfo-1.4.20-29.el6_10.1.ppc64.rpm unbound-devel-1.4.20-29.el6_10.1.ppc.rpm unbound-devel-1.4.20-29.el6_10.1.ppc64.rpm unbound-python-1.4.20-29.el6_10.1.ppc.rpm unbound-python-1.4.20-29.el6_10.1.ppc64.rpm s390x: unbound-debuginfo-1.4.20-29.el6_10.1.s390.rpm unbound-debuginfo-1.4.20-29.el6_10.1.s390x.rpm unbound-devel-1.4.20-29.el6_10.1.s390.rpm unbound-devel-1.4.20-29.el6_10.1.s390x.rpm unbound-python-1.4.20-29.el6_10.1.s390.rpm unbound-python-1.4.20-29.el6_10.1.s390x.rpm x86_64: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: unbound-1.4.20-29.el6_10.1.src.rpm i386: unbound-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm x86_64: unbound-1.4.20-29.el6_10.1.x86_64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm x86_64: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.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-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 <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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