{ "containers": { "cna": { "affected": [ { "product": "BIND9", "vendor": "ISC", "versions": [ { "lessThan": "unspecified", "status": "affected", "version": "9.0.0", "versionType": "custom" }, { "lessThan": "9.11.22", "status": "affected", "version": "unspecified", "versionType": "custom" }, { "lessThan": "unspecified", "status": "affected", "version": "9.12.0", "versionType": "custom" }, { "lessThan": "9.16.6", "status": "affected", "version": "unspecified", "versionType": "custom" }, { "lessThan": "unspecified", "status": "affected", "version": "9.17.0", "versionType": "custom" }, { "lessThan": "9.17.4", "status": "affected", "version": "unspecified", "versionType": "custom" }, { "changes": [ { "at": "9.11.22-S1", "status": "unaffected" } ], "lessThan": "Supported Preview*", "status": "affected", "version": "9.9.3-S1", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "ISC would like to thank Dave Feldman, Jeff Warren, and Joel Cunningham of Oracle for bringing this vulnerability to our attention." } ], "datePublic": "2020-08-20T00:00:00", "descriptions": [ { "lang": "en", "value": "In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 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." } ], "exploits": [ { "lang": "en", "value": "We are not aware of any active exploits" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "description": "Attempting to verify a truncated response to a TSIG-signed request leads to an assertion failure. Affects BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-20T10:40:22", "orgId": "404fd4d2-a609-4245-b543-2c944a302a22", "shortName": "isc" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://kb.isc.org/docs/cve-2020-8622" }, { "name": "FEDORA-2020-a02b7a0f21", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/" }, { "name": "USN-4468-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "https://usn.ubuntu.com/4468-1/" }, { "name": "USN-4468-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "https://usn.ubuntu.com/4468-2/" }, { "name": "DSA-4752", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2020/dsa-4752" }, { "name": "FEDORA-2020-14c194e5af", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/" }, { "name": "[debian-lts-announce] 20200829 [SECURITY] [DLA 2355-1] bind9 security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html" }, { "name": "GLSA-202008-19", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/202008-19" }, { "name": "openSUSE-SU-2020:1699", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html" }, { "name": "openSUSE-SU-2020:1701", "tags": [ "vendor-advisory", "x_refsource_SUSE" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20200827-0003/" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://www.synology.com/security/advisory/Synology_SA_20_19" } ], "solutions": [ { "lang": "en", "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n BIND 9.11.22\n BIND 9.16.6\n BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n BIND 9.11.22-S1" } ], "source": { "discovery": "USER" }, "title": "A truncated TSIG response can lead to an assertion failure", "workarounds": [ { "lang": "en", "value": "No workarounds known." } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-officer@isc.org", "DATE_PUBLIC": "2020-08-20T18:35:08.000Z", "ID": "CVE-2020-8622", "STATE": "PUBLIC", "TITLE": "A truncated TSIG response can lead to an assertion failure" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "BIND9", "version": { "version_data": [ { "version_affected": ">=", "version_value": "9.0.0" }, { "version_affected": "<", "version_value": "9.11.22" }, { "version_affected": ">=", "version_value": "9.12.0" }, { "version_affected": "<", "version_value": "9.16.6" }, { "version_affected": ">=", "version_value": "9.17.0" }, { "version_affected": "<", "version_value": "9.17.4" }, { "version_affected": ">=", "version_name": "Supported Preview", "version_value": "9.9.3-S1" }, { "version_affected": "<", "version_name": "Supported Preview", "version_value": "9.11.22-S1" } ] } } ] }, "vendor_name": "ISC" } ] } }, "credit": [ { "lang": "eng", "value": "ISC would like to thank Dave Feldman, Jeff Warren, and Joel Cunningham of Oracle for bringing this vulnerability to our attention." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 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." } ] }, "exploit": [ { "lang": "en", "value": "We are not aware of any active exploits" } ], "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Attempting to verify a truncated response to a TSIG-signed request leads to an assertion failure. Affects BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.isc.org/docs/cve-2020-8622", "refsource": "CONFIRM", "url": "https://kb.isc.org/docs/cve-2020-8622" }, { "name": "FEDORA-2020-a02b7a0f21", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/" }, { "name": "USN-4468-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4468-1/" }, { "name": "USN-4468-2", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4468-2/" }, { "name": "DSA-4752", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2020/dsa-4752" }, { "name": "FEDORA-2020-14c194e5af", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/" }, { "name": "[debian-lts-announce] 20200829 [SECURITY] [DLA 2355-1] bind9 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html" }, { "name": "GLSA-202008-19", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202008-19" }, { "name": "openSUSE-SU-2020:1699", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html" }, { "name": "openSUSE-SU-2020:1701", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html" }, { "name": "https://www.oracle.com/security-alerts/cpuoct2021.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpuoct2021.html" }, { "name": "https://security.netapp.com/advisory/ntap-20200827-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20200827-0003/" }, { "name": "https://www.synology.com/security/advisory/Synology_SA_20_19", "refsource": "CONFIRM", "url": "https://www.synology.com/security/advisory/Synology_SA_20_19" } ] }, "solution": [ { "lang": "en", "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n BIND 9.11.22\n BIND 9.16.6\n BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n BIND 9.11.22-S1" } ], "source": { "discovery": "USER" }, "work_around": [ { "lang": "en", "value": "No workarounds known." } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:03:46.256Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://kb.isc.org/docs/cve-2020-8622" }, { "name": "FEDORA-2020-a02b7a0f21", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/" }, { "name": "USN-4468-1", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "https://usn.ubuntu.com/4468-1/" }, { "name": "USN-4468-2", "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "https://usn.ubuntu.com/4468-2/" }, { "name": "DSA-4752", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2020/dsa-4752" }, { "name": "FEDORA-2020-14c194e5af", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/" }, { "name": "[debian-lts-announce] 20200829 [SECURITY] [DLA 2355-1] bind9 security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html" }, { "name": "GLSA-202008-19", "tags": [ "vendor-advisory", "x_refsource_GENTOO", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202008-19" }, { "name": "openSUSE-SU-2020:1699", "tags": [ "vendor-advisory", "x_refsource_SUSE", "x_transferred" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html" }, { "name": "openSUSE-SU-2020:1701", "tags": [ "vendor-advisory", "x_refsource_SUSE", "x_transferred" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.oracle.com/security-alerts/cpuoct2021.html" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20200827-0003/" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://www.synology.com/security/advisory/Synology_SA_20_19" } ] } ] }, "cveMetadata": { "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22", "assignerShortName": "isc", "cveId": "CVE-2020-8622", "datePublished": "2020-08-21T20:50:19.383306Z", "dateReserved": "2020-02-05T00:00:00", "dateUpdated": "2024-09-16T17:14:14.760Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }