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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2952 bind security update 1 September 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: bind Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-25214 Reference: ESB-2021.1873 ESB-2021.1713.2 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:3325 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: bind security update Advisory ID: RHSA-2021:3325-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3325 Issue date: 2021-08-31 CVE Names: CVE-2021-25214 ===================================================================== 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: Broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly (CVE-2021-25214) 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/): 1953849 - CVE-2021-25214 bind: Broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: bind-9.11.4-26.P2.el7_9.7.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.7.noarch.rpm x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: bind-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.7.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: bind-9.11.4-26.P2.el7_9.7.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.7.noarch.rpm x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: bind-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: bind-9.11.4-26.P2.el7_9.7.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.7.noarch.rpm ppc64: bind-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-chroot-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.ppc.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.ppc.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-libs-9.11.4-26.P2.el7_9.7.ppc.rpm bind-libs-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.ppc.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.ppc.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-utils-9.11.4-26.P2.el7_9.7.ppc64.rpm ppc64le: bind-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-chroot-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-libs-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-pkcs11-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-utils-9.11.4-26.P2.el7_9.7.ppc64le.rpm s390x: bind-9.11.4-26.P2.el7_9.7.s390x.rpm bind-chroot-9.11.4-26.P2.el7_9.7.s390x.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.s390.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.s390x.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.s390.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.s390x.rpm bind-libs-9.11.4-26.P2.el7_9.7.s390.rpm bind-libs-9.11.4-26.P2.el7_9.7.s390x.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.s390.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.s390x.rpm bind-pkcs11-9.11.4-26.P2.el7_9.7.s390x.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.s390.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.s390x.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.7.s390x.rpm bind-utils-9.11.4-26.P2.el7_9.7.s390x.rpm x86_64: bind-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: bind-debuginfo-9.11.4-26.P2.el7_9.7.ppc.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-devel-9.11.4-26.P2.el7_9.7.ppc.rpm bind-devel-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.ppc.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.ppc.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.ppc.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-sdb-9.11.4-26.P2.el7_9.7.ppc64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.7.ppc64.rpm ppc64le: bind-debuginfo-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-devel-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-sdb-9.11.4-26.P2.el7_9.7.ppc64le.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.7.ppc64le.rpm s390x: bind-debuginfo-9.11.4-26.P2.el7_9.7.s390.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.s390x.rpm bind-devel-9.11.4-26.P2.el7_9.7.s390.rpm bind-devel-9.11.4-26.P2.el7_9.7.s390x.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.s390.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.s390x.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.s390.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.s390x.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.s390.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.s390x.rpm bind-sdb-9.11.4-26.P2.el7_9.7.s390x.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.7.s390x.rpm x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: bind-9.11.4-26.P2.el7_9.7.src.rpm noarch: bind-license-9.11.4-26.P2.el7_9.7.noarch.rpm x86_64: bind-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-chroot-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.i686.rpm bind-libs-lite-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-libs-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-utils-9.11.4-26.P2.el7_9.7.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: bind-debuginfo-9.11.4-26.P2.el7_9.7.i686.rpm bind-debuginfo-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-export-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-lite-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.i686.rpm bind-pkcs11-devel-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-9.11.4-26.P2.el7_9.7.x86_64.rpm bind-sdb-chroot-9.11.4-26.P2.el7_9.7.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-2021-25214 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYS3zAdzjgjWX9erEAQghgQ//depErzg0mGNszxgENiIqAXJD/tKBpPIS RNcr3/l/VDnDAC3X28h7qWoUz8xGwPDKsWw/4p0nLNVfZjQCGVDTKlv7DnDn8DLL xgQe/XfXSVBTO70BgH40Z4308cB9DtfA1VwA10JyTRSYWTEfNh4iDmxvQLdP1axh t5A2FKXgqzSmeQQV3S4VF5ouhFVHUHLmA09xY3ubdXeOgvwBppZM+Ob838SLLkzS wRTw+OgNp99drZi1elR2otH7HFypR8EDFATcrBXItXkM/GpeT7DZxD/CclboJQg9 x6nQpa16SYPGxpmzj6l4+9bwZMYl1Ul+SWnlysC50rEXrm/SVx3YygKO/VVKsmiO LDD+OW/Wjp2WPHd5beAmh+bxqeJwfcDs7I8JOAbLQ1GyYSCKvmxIbKl2hUC4uKzO eDQtxy1GKkcVePFZf1YRahgs1g5QvvGKOdtwYlhhkrEUA1akejbPcs5u2yTK6G13 6DUaSdL6iJYlQtEu7vChziZbZ3Prgr9/ZwI23KLBhBB0nru/JOGA9fuzwMb4kPqW r92wShiSaIwXHnq8oRqpeWj8eLdD0neDg4KtdO72/VZq3RZAsCdbwiXJMZ8V6UCr vYWsZBTa9CE5eJBdjov3LFrhegeJivnISyUxWpyUcaL39kjPt7frPfDiA8gTRwz8 byT2ufa5LUE= =olbt - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYS7ehuNLKJtyKPYoAQjLhA//da0jsXNF9JTBaOpJS3Vn13dQZgdBnyo7 gF3U4BMjgmU9hJFPLdlg3UR35/ypb6Et462u1TPoA1bewlRvU91ZYCrI1jlVzASc f9fkmHiIaYREuZeS6OC4gdPx6dsw3k7EFYqWMdVvfbPgIh6DDpi+kBFUxBKtFHUO z6Qs3k3arNRO/kCIT6+FrWkFAJ/Mcl+8RGYG3sIdR36GL4I+BbanDqbAtEKbwwGG R3locNtAdSAj872xMIU90LolhREN2QP+tu2zyraDL+CC0FfOHv8IjKGmwlFOSO8i +v/5wlGM5cT5IvLekk40llYp9fCeALCHlbhtsWSN6qKLUFgzw+B/gHZfC1ZuSQyf kFiQxMuKHVqypuSmYz/Co9GXl0fe2NCtV4DXAxZPI+cz0QwbUnpZVhzWIzfXfpiO zswRn/GodgZMv/0IgOv7XfmuMMjiirhjuV6CU5HsNiZKGZVpsmA2laQzPXA5elvQ 8tuya7KizuQof5K0tWdduKERvvPuoqMpvZG6bEXlrctiU2n+gkYHsyQzyFpGCAOI 1rKu48t+WrMP694EgUHLhx3C6349AT+fuP3qN0QyHR4bXC2UiXZmKJd/DVMkTmEL 48cbUZ+4NIcdgq1VtU1jrohTg1N8QcbxXipdQOD+6U1vJ6SjVRHGeR7BXAp/WUta mUY7RTRBLRY= =5usx -----END PGP SIGNATURE-----