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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.5896 bind security update 16 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: bind Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-0396 CVE-2021-25220 Original Bulletin: https://access.redhat.com/errata/RHSA-2022:8068 Comment: CVSS (Max): 6.8 CVE-2021-25220 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: bind security update Advisory ID: RHSA-2022:8068-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:8068 Issue date: 2022-11-15 CVE Names: CVE-2021-25220 CVE-2022-0396 ===================================================================== 1. Summary: An update for bind is now available for Red Hat Enterprise Linux 9. 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 CodeReady Linux Builder (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64 Red Hat Enterprise Linux AppStream (v. 9) - aarch64, noarch, 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: DNS forwarders - cache poisoning vulnerability (CVE-2021-25220) * bind: DoS from specifically crafted TCP packets (CVE-2022-0396) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from 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/): 2064512 - CVE-2021-25220 bind: DNS forwarders - cache poisoning vulnerability 2064513 - CVE-2022-0396 bind: DoS from specifically crafted TCP packets 2104863 - bind-doc is not shipped to public 6. Package List: Red Hat Enterprise Linux AppStream (v. 9): Source: bind-9.16.23-5.el9_1.src.rpm aarch64: bind-9.16.23-5.el9_1.aarch64.rpm bind-chroot-9.16.23-5.el9_1.aarch64.rpm bind-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-debugsource-9.16.23-5.el9_1.aarch64.rpm bind-dnssec-utils-9.16.23-5.el9_1.aarch64.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-libs-9.16.23-5.el9_1.aarch64.rpm bind-libs-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-utils-9.16.23-5.el9_1.aarch64.rpm bind-utils-debuginfo-9.16.23-5.el9_1.aarch64.rpm noarch: bind-dnssec-doc-9.16.23-5.el9_1.noarch.rpm bind-license-9.16.23-5.el9_1.noarch.rpm python3-bind-9.16.23-5.el9_1.noarch.rpm ppc64le: bind-9.16.23-5.el9_1.ppc64le.rpm bind-chroot-9.16.23-5.el9_1.ppc64le.rpm bind-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-debugsource-9.16.23-5.el9_1.ppc64le.rpm bind-dnssec-utils-9.16.23-5.el9_1.ppc64le.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-libs-9.16.23-5.el9_1.ppc64le.rpm bind-libs-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-utils-9.16.23-5.el9_1.ppc64le.rpm bind-utils-debuginfo-9.16.23-5.el9_1.ppc64le.rpm s390x: bind-9.16.23-5.el9_1.s390x.rpm bind-chroot-9.16.23-5.el9_1.s390x.rpm bind-debuginfo-9.16.23-5.el9_1.s390x.rpm bind-debugsource-9.16.23-5.el9_1.s390x.rpm bind-dnssec-utils-9.16.23-5.el9_1.s390x.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.s390x.rpm bind-libs-9.16.23-5.el9_1.s390x.rpm bind-libs-debuginfo-9.16.23-5.el9_1.s390x.rpm bind-utils-9.16.23-5.el9_1.s390x.rpm bind-utils-debuginfo-9.16.23-5.el9_1.s390x.rpm x86_64: bind-9.16.23-5.el9_1.x86_64.rpm bind-chroot-9.16.23-5.el9_1.x86_64.rpm bind-debuginfo-9.16.23-5.el9_1.x86_64.rpm bind-debugsource-9.16.23-5.el9_1.x86_64.rpm bind-dnssec-utils-9.16.23-5.el9_1.x86_64.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.x86_64.rpm bind-libs-9.16.23-5.el9_1.x86_64.rpm bind-libs-debuginfo-9.16.23-5.el9_1.x86_64.rpm bind-utils-9.16.23-5.el9_1.x86_64.rpm bind-utils-debuginfo-9.16.23-5.el9_1.x86_64.rpm Red Hat CodeReady Linux Builder (v. 9): aarch64: bind-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-debugsource-9.16.23-5.el9_1.aarch64.rpm bind-devel-9.16.23-5.el9_1.aarch64.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-libs-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-utils-debuginfo-9.16.23-5.el9_1.aarch64.rpm noarch: bind-doc-9.16.23-5.el9_1.noarch.rpm ppc64le: bind-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-debugsource-9.16.23-5.el9_1.ppc64le.rpm bind-devel-9.16.23-5.el9_1.ppc64le.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-libs-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-utils-debuginfo-9.16.23-5.el9_1.ppc64le.rpm s390x: bind-debuginfo-9.16.23-5.el9_1.s390x.rpm bind-debugsource-9.16.23-5.el9_1.s390x.rpm bind-devel-9.16.23-5.el9_1.s390x.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.s390x.rpm bind-libs-debuginfo-9.16.23-5.el9_1.s390x.rpm bind-utils-debuginfo-9.16.23-5.el9_1.s390x.rpm x86_64: bind-debuginfo-9.16.23-5.el9_1.i686.rpm bind-debuginfo-9.16.23-5.el9_1.x86_64.rpm bind-debugsource-9.16.23-5.el9_1.i686.rpm bind-debugsource-9.16.23-5.el9_1.x86_64.rpm bind-devel-9.16.23-5.el9_1.i686.rpm bind-devel-9.16.23-5.el9_1.x86_64.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.i686.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.x86_64.rpm bind-libs-9.16.23-5.el9_1.i686.rpm bind-libs-debuginfo-9.16.23-5.el9_1.i686.rpm bind-libs-debuginfo-9.16.23-5.el9_1.x86_64.rpm bind-utils-debuginfo-9.16.23-5.el9_1.i686.rpm bind-utils-debuginfo-9.16.23-5.el9_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-2021-25220 https://access.redhat.com/security/cve/CVE-2022-0396 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBY3PhLdzjgjWX9erEAQhVSw/9HlIwMZZuRgTsbY2yARvJ+sRk08hViRo6 ++sV0vMtt3ym5eQES1al4uwAFbVH3B+EZLVuox02PnKVvIM35QnzVFxSa24HToTp l3tl+c9QnDwx3VGceX9og5o/ezSKqT8UeMQF/gamcB5kwGbbeb+Gp7cpSyXsmjB1 h418DMq/BBE1kLx2MAmIAn/r8x8ISsRbk3j96VEtLrQDtbSKCrE7jmQMaGRB4NhK 4pcgEdcVC6mpBIBRSoLqSVvY9cEdbWqB2LBKArSic/GS2RFfXiSTbPP+kHhd8WHF 0pHQpQa2CXqWuoyrk4cmlvyqmp+C1oCuwsjUWm3dIouIpLU3P1PH3Xua+DMcHfNl z3wW5E8hihVQ7taw/c6jKMlIrPVzdNM7zfdqV4PBoMQ6y6nPDP23wNGIBMIArjO/ n841K1Lzp1vrChLKgtYOK4H/s6Fbtb/+fe6Q5wOVPPEeksfoKzjJjZj/J7J+RymH Bd6n+f9iMQzOkj9zb6cgrvt2aLcr29XHfcCRH81i/CEPAEFGT86qOXqIZO0+qV/u qhHDKy3rLqYsOR4BlwhFhovUGCt8rBJ8LOiZlUTxzNG4PNze4F1hG1d0qzYQv0Iw zfOrgT8NGDmGCt2nwtmy813NDmzVegwrS7w0ayLzpcwcJMVOoO0nKi5kzX1slEyu rbPwX0ROLTo= =0klO - -----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: https://auscert.org.au/gpg-key/ iQIVAwUBY3Q4w8kNZI30y1K9AQiYghAAiHYvOxD9yV6z9zoLSgBBtDZAYQGIUKrO IOq2lUDJDWmR9IlVbktCChRKQ7T7Keh7UxPGfizyb7mbcZkHEte1sI3nyzEg0Y3L ZN2y9O1JSPzxnuXp103Ej4QflR7qhLoOgOMumzAaAb5B8+Jp1YGmN0LTW8rYXq3H F4E/mDdUb4g0i+4FAUXSA2Vi2kKfIik0O2XCfZnjghQFNjH4M9H87TX2KbRCNzkT 8YBRSJ6/dwynOAGHGDbBbzKhrhT74Qlq9E0RuOdkDqaMvDa0VI9BUNgABmwXlIsD kBh66QZ2oaekNGMHaqguh9t2mipR1S90oXo3Js/2+e0x/1jXAMTgFqiJyl/0jq19 rPxj/Oun8Sa5OV6o3yMstgEy6AkY7aNXcVAH7Ei7nROrHiSFi56mbs7kGivKp0ZP aUUgAV1AGgySEzYS9sXVh8bGDG4QO8aScLMYIbcYpQRcty/Rj+CLvoGcAIo3N4rt yFf2GejqYu8upDn1+1Ra6wIuUfkNLBIsYaTEPgflDJ8Ypc3cI0LIFK4vOoxCSgb9 axnH19jl/KU4P5XvvPyMr5cQAXn//ladcp+J87oxwg0XffIe96Ym5ZS0MlBC8unW egMQlD1lhIIzVrdBzCivl4d5TcssYZc4J+S3FkKWKLMNuKhT2pBKNivfC4YzIiyA SdvalEeJq2k= =uaEv -----END PGP SIGNATURE-----