-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: bind security and bug fix update Advisory ID: RHSA-2020:5011-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:5011 Issue date: 2020-11-10 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. 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 Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, 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) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - 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. Bug Fix(es): * BIND stops DNSKEY lookup in get_dst_key() when a key with unsupported algorithm is found first [RHEL7] (BZ#1884530) 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" 1884530 - BIND stops DNSKEY lookup in get_dst_key() when a key with unsupported algorithm is found first [RHEL7] 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: bind-9.11.4-26.P2.el7_9.2.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.2.noarch.rpm x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: bind-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.2.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: bind-9.11.4-26.P2.el7_9.2.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.2.noarch.rpm x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: bind-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.2.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: bind-9.11.4-26.P2.el7_9.2.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.2.noarch.rpm ppc64: bind-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-chroot-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.ppc.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.ppc.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-libs-9.11.4-26.P2.el7_9.2.ppc.rpm bind-libs-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.ppc.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.ppc.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-utils-9.11.4-26.P2.el7_9.2.ppc64.rpm ppc64le: bind-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-chroot-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-libs-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-pkcs11-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-utils-9.11.4-26.P2.el7_9.2.ppc64le.rpm s390x: bind-9.11.4-26.P2.el7_9.2.s390x.rpm bind-chroot-9.11.4-26.P2.el7_9.2.s390x.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.s390.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.s390x.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.s390.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.s390x.rpm bind-libs-9.11.4-26.P2.el7_9.2.s390.rpm bind-libs-9.11.4-26.P2.el7_9.2.s390x.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.s390.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.s390x.rpm bind-pkcs11-9.11.4-26.P2.el7_9.2.s390x.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.s390.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.s390x.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.2.s390x.rpm bind-utils-9.11.4-26.P2.el7_9.2.s390x.rpm x86_64: bind-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: bind-debuginfo-9.11.4-26.P2.el7_9.2.ppc.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-devel-9.11.4-26.P2.el7_9.2.ppc.rpm bind-devel-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.ppc.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.ppc.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.ppc.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-sdb-9.11.4-26.P2.el7_9.2.ppc64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.2.ppc64.rpm ppc64le: bind-debuginfo-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-devel-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-sdb-9.11.4-26.P2.el7_9.2.ppc64le.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.2.ppc64le.rpm s390x: bind-debuginfo-9.11.4-26.P2.el7_9.2.s390.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.s390x.rpm bind-devel-9.11.4-26.P2.el7_9.2.s390.rpm bind-devel-9.11.4-26.P2.el7_9.2.s390x.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.s390.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.s390x.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.s390.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.s390x.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.s390.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.s390x.rpm bind-sdb-9.11.4-26.P2.el7_9.2.s390x.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.2.s390x.rpm x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.2.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: bind-9.11.4-26.P2.el7_9.2.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.2.noarch.rpm x86_64: bind-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.2.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.2.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.2.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.2.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. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX6qUINzjgjWX9erEAQgqaQ//fDh400CVsaclHRk7T4sY7CY6Cl+5yje4 4tAnP73cfPskYaWNy3k215ylN+Ciwe0W1v36zL5NURJs+/0MpKZ2ISJQTJxpnRbG WpabNVjZEX9NOMTqUjQHWK8qZtpvFBy1yaHp7167ZgIs2CDxhzRwGkIW0lJdjJOo W6WcyZBuGx62C3L8vqr55OaYTJkjHfsWQBcNmwcNIclfGKLzgWlOj8NFQ1jjJlpf YF1xm9ax2ia7YeOqY95m3qMhe8iFolV4hnuyCg78BPjcXB++Xi68Mi8HtNxCdyTX veZBvBpk7uzphOILirIUX6Wr7xFnq3wM9zvCQqzVJtxh02/022ljSIp1IzM5xD9y I9nwTwJ7ajSFRQx7//sjDlP06jzbODt9NYrUrmL43GO/A6hAiFzZNhvIKZachc2t EX/+gSNONuKk2COKK+khz2QjiRf8Dj6drAm+XGtA80e8e9qnMlc83XmyX6US6Knq SaPPf61AJbnwouaziMwr975oDNZwi3eTIIT96YyIfaFzLQz1bBx2qpxbaUf2fXOw FGzH111uS2N8mzShaxqJOyu6ZVXGx0Q1s+MZb8IWn48MYM89r8b3IVAVqFwbit8G EljiZa/nrh2+vDe0R6y0vdMfN10RjtAHFYuTPhgsFO/bjQh+x2Y7EYMOwvafPRTZ J+QpwTk58nQ=WRSp -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce