{"id":"CVE-2020-8622","details":"In BIND 9.0.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.9.3-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that request, triggering an assertion failure, causing the server to exit. Alternately, an off-path attacker would have to correctly guess when a TSIG-signed request was sent, along with other characteristics of the packet and message, and spoof a truncated response to trigger an assertion failure, causing the server to exit.","modified":"2026-09-06T11:45:09.326040077Z","published":"2020-08-21T21:15:12.247Z","related":["CGA-rf4x-r6wh-qhgr","SUSE-RU-2020:2915-1","SUSE-SU-2020:2914-1","SUSE-SU-2021:2876-1","openSUSE-SU-2020:1699-1","openSUSE-SU-2020:1701-1","openSUSE-SU-2024:10650-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_RANGE","vendor_product":"oracle:communications_diameter_signaling_router","cpes":["cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.5.0"}]},{"vendor_product":"synology:dns_server","cpes":["cpe:2.3:a:synology:dns_server:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"2.2.2-5028"}],"source":"CPE_RANGE"},{"vendor_product":"canonical:ubuntu_linux","cpes":["cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"],"extracted_events":[{"introduced":"12.04"},{"last_affected":"12.04"},{"introduced":"14.04"},{"last_affected":"14.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"20.04"},{"last_affected":"20.04"}],"source":"CPE_STRING"},{"vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING"},{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"31"},{"last_affected":"31"},{"introduced":"32"},{"last_affected":"32"}],"source":"CPE_STRING"},{"extracted_events":[{"introduced":"9.11.21-s1"},{"last_affected":"9.11.21-s1"},{"introduced":"9.11.21-s1"},{"last_affected":"9.11.21-s1"}],"source":"CPE_STRING","vendor_product":"isc:bind","cpes":["cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*"]},{"extracted_events":[{"introduced":"15.1"},{"last_affected":"15.1"},{"introduced":"15.2"},{"last_affected":"15.2"}],"source":"CPE_STRING","vendor_product":"opensuse:leap","cpes":["cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"},{"type":"ADVISORY","url":"https://kb.isc.org/docs/cve-2020-8622"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202008-19"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200827-0003/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4468-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4468-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4752"},{"type":"ADVISORY","url":"https://www.synology.com/security/advisory/Synology_SA_20_19"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/isc-projects/bind9","events":[{"introduced":"19d6c56085e97cf4ac559cdc27edd624127bcb32"},{"last_affected":"4ce7edb5801e41d14b0da003d97f81b0d73424c9"},{"introduced":"71a40862c0be867999867cd99e21c2266a5e452b"},{"last_affected":"c00b4586ab21960bc2b13989f77ea8465e989187"},{"introduced":"04ca7cc4b6993f47ea61852c759d047c83be7b3f"},{"last_affected":"079e9baebe7d2b42610b9d7bdc0f8a5f78bbe2d5"},{"introduced":"58d2f2e260133da87589aaebfb5ce5dea83188ee"},{"last_affected":"58d2f2e260133da87589aaebfb5ce5dea83188ee"}],"database_specific":{"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*","cpe:2.3:a:isc:bind:9.9.3:s1:*:*:supported_preview:*:*:*"],"extracted_events":[{"introduced":"9.0.0"},{"last_affected":"9.11.21"},{"introduced":"9.12.0"},{"last_affected":"9.16.5"},{"introduced":"9.17.0"},{"last_affected":"9.17.3"},{"introduced":"9.9.3-s1"},{"last_affected":"9.9.3-s1"}]}}],"versions":["9.9.3-s1","v9.9.3-P1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8622.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.isc.org/isc-projects/bind9","events":[{"introduced":"19d6c56085e97cf4ac559cdc27edd624127bcb32"},{"last_affected":"4ce7edb5801e41d14b0da003d97f81b0d73424c9"},{"introduced":"71a40862c0be867999867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