Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0794 bind security update 5 March 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: bind Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-8625 Reference: ESB-2021.0750 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:0727 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: bind security update Advisory ID: RHSA-2021:0727-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0727 Issue date: 2021-03-04 CVE Names: CVE-2020-8625 ===================================================================== 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 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 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: Buffer overflow in the SPNEGO implementation affecting GSSAPI security policy negotiation (CVE-2020-8625) 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/): 1928486 - CVE-2020-8625 bind: Buffer overflow in the SPNEGO implementation affecting GSSAPI security policy negotiation 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.7): Source: bind-9.11.4-9.P2.el7_7.4.src.rpm noarch: bind-license-9.11.4-9.P2.el7_7.4.noarch.rpm x86_64: bind-debuginfo-9.11.4-9.P2.el7_7.4.i686.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.i686.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-libs-9.11.4-9.P2.el7_7.4.i686.rpm bind-libs-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.i686.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-utils-9.11.4-9.P2.el7_7.4.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7): x86_64: bind-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-chroot-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.i686.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.i686.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-utils-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-sdb-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-sdb-chroot-9.11.4-9.P2.el7_7.4.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.7): Source: bind-9.11.4-9.P2.el7_7.4.src.rpm noarch: bind-license-9.11.4-9.P2.el7_7.4.noarch.rpm ppc64: bind-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-chroot-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.ppc.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.ppc.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-libs-9.11.4-9.P2.el7_7.4.ppc.rpm bind-libs-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.ppc.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-pkcs11-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.ppc.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-pkcs11-utils-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-utils-9.11.4-9.P2.el7_7.4.ppc64.rpm ppc64le: bind-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-chroot-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-libs-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-pkcs11-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-pkcs11-utils-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-utils-9.11.4-9.P2.el7_7.4.ppc64le.rpm s390x: bind-9.11.4-9.P2.el7_7.4.s390x.rpm bind-chroot-9.11.4-9.P2.el7_7.4.s390x.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.s390.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.s390x.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.s390.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.s390x.rpm bind-libs-9.11.4-9.P2.el7_7.4.s390.rpm bind-libs-9.11.4-9.P2.el7_7.4.s390x.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.s390.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.s390x.rpm bind-pkcs11-9.11.4-9.P2.el7_7.4.s390x.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.s390.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.s390x.rpm bind-pkcs11-utils-9.11.4-9.P2.el7_7.4.s390x.rpm bind-utils-9.11.4-9.P2.el7_7.4.s390x.rpm x86_64: bind-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-chroot-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.i686.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.i686.rpm bind-export-libs-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-libs-9.11.4-9.P2.el7_7.4.i686.rpm bind-libs-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.i686.rpm bind-libs-lite-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.i686.rpm bind-pkcs11-libs-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-utils-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-utils-9.11.4-9.P2.el7_7.4.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.7): ppc64: bind-debuginfo-9.11.4-9.P2.el7_7.4.ppc.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-devel-9.11.4-9.P2.el7_7.4.ppc.rpm bind-devel-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.ppc.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.ppc.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.ppc.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-sdb-9.11.4-9.P2.el7_7.4.ppc64.rpm bind-sdb-chroot-9.11.4-9.P2.el7_7.4.ppc64.rpm ppc64le: bind-debuginfo-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-devel-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-sdb-9.11.4-9.P2.el7_7.4.ppc64le.rpm bind-sdb-chroot-9.11.4-9.P2.el7_7.4.ppc64le.rpm s390x: bind-debuginfo-9.11.4-9.P2.el7_7.4.s390.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.s390x.rpm bind-devel-9.11.4-9.P2.el7_7.4.s390.rpm bind-devel-9.11.4-9.P2.el7_7.4.s390x.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.s390.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.s390x.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.s390.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.s390x.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.s390.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.s390x.rpm bind-sdb-9.11.4-9.P2.el7_7.4.s390x.rpm bind-sdb-chroot-9.11.4-9.P2.el7_7.4.s390x.rpm x86_64: bind-debuginfo-9.11.4-9.P2.el7_7.4.i686.rpm bind-debuginfo-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-export-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-lite-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.i686.rpm bind-pkcs11-devel-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-sdb-9.11.4-9.P2.el7_7.4.x86_64.rpm bind-sdb-chroot-9.11.4-9.P2.el7_7.4.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-2020-8625 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 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYEDKptzjgjWX9erEAQgPSg/+MooXwunDtiMVL5M9bcbpdXfreac3Iayc lTwxVcmuNXBjv11/jmnfH/zByz2u7+xpHzv3EemO1pJmXm5sLO/0EtGfKy1r4B+k MVhF/bFplp+mGrh8N0Nh6PIwd22MQ6m79lKUeah32iCUuS55rE9L4auYlJg/4Nvk x7AqcAKDyPcULlyqHIaSAu8moqIVaHwnva+D+FShlpfQ3fTX3mvnJVpgIXYI2nF8 1bOHnhMttRe46pnHQxWPVBxPDG/MCt33guG1xBXWgyvbo2WdcI8NeZ5rryrsYMSA dWywnSP9VXWyghcW3kqIRHTYdgY9qkJMUYmJrloVLV7zseS+BsErUR3Aco56p+/w nkBpscO0LGQin+zRNlWClyzDNYzFAuOniuwYwLMDow/gDYNdQE9mRYS8xo8mvbQc H6mwtgzzA2xMkKHb7iik9fK0/DHkHSxW8ov8ceRrQlyndw2uuKEve7w1ZD6YsiT1 W71o2OfuxrerO5Ivkodbk9yZB7armBR6DO8DEWHk9pXLDQ4U1DUYn0kCMwuU/iHk WC1/DG8Gscu6I3bWhYPFWRGPvZa/NEFUm136bfkY272C9EtcBenwLDhL9b90PWxK ugqgxYAPZa5K67KhgOwyMPOUs44+Gqry1jKH7PXwwUyqh9DvrJ3YBluRRhzFjqN2 44WLCCK868g= =6fUu - -----END PGP SIGNATURE----- - --------------------------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. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYEFqAeNLKJtyKPYoAQjSwxAAoY848IR7G+lS7pWDoKCpRqZlrp+K/4Nl Vj4bycnoSTPasBouSRiXP/4OOLlUCK5651S5bL1vrFCp4m6MI//3nZ3nH0/c6J2F 2gNG7+6pHmpfwg64RgAuZHE6j71r2tI6vB8QfURQi3d+WY83Z/AhsfaZVj2RDlMo k4f88tem4+xDg5z5OqBcLwVXRL0l11altzVucaxuOHs7slmIcNH2vSnVuxpwKUB0 TGxPHOsgFPZp4cgbvJ2MFvgX2P5t1ORPlX5Sbdwjd/s35uh56N6x/yjEo1vwD/Wa b272dpLXVsxYtL4jyOaLpPsniQL4bHrSmOqO6KirmpYL73XPAGifQJONn+ysQCGx JjpkxwSQivRGoYYzOuuN6O2LKwfXrOq7zkqI0qr7WytsLXq5zccWrczkK074iJe3 5jHMnleLnP/qcjrSv0EubTFuBCNOpl8WN2y3+p8m216sXKr3JDFafl+RVBB7CKxh 7kVXum1u3Wd8kbc0RRy9hpOKctoteIJ22rccRMGmcyiCIgCuU9CjxJakL1g1nf8e y5JLBBRIDWlFRhXTVxh322PagtHWx+Qpp1vgTqk+wEK0sGHavDnlljxyzSCBRrYs ps8juRyeiyumowAaBY88XXP2Mz3PJSCyoWsZrLmwGyKUDuNSh6K9eo1wd8N3exc0 5z8CCzNE9ec= =Cj+G -----END PGP SIGNATURE-----