{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2022-2795", "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22", "assignerShortName": "isc", "datePublished": "2022-09-21T10:15:25.796304Z", "dateUpdated": "2024-09-17T03:03:19.543Z", "dateReserved": "2022-08-12T00:00:00" }, "containers": { "cna": { "title": "Processing large delegations may severely degrade resolver performance", "datePublic": "2022-09-21T00:00:00", "providerMetadata": { "orgId": "404fd4d2-a609-4245-b543-2c944a302a22", "shortName": "isc", "dateUpdated": "2022-10-31T00:00:00" }, "descriptions": [ { "lang": "en", "value": "By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service." } ], "affected": [ { "vendor": "ISC", "product": "BIND9", "versions": [ { "version": "Open Source Branches 9.0 through 9.16 9.0.0 through versions before 9.16.33", "status": "affected" }, { "version": "Open Source Branch 9.18 9.18.0 through versions before 9.18.7", "status": "affected" }, { "version": "Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions up to and including 9.11.37-S1", "status": "affected" }, { "version": "Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1", "status": "affected" }, { "version": "Development Branch 9.19 9.19.0 through versions before 9.19.5", "status": "affected" } ] } ], "references": [ { "url": "https://kb.isc.org/docs/cve-2022-2795" }, { "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2022/09/21/3" }, { "name": "DSA-5235", "tags": [ "vendor-advisory" ], "url": "https://www.debian.org/security/2022/dsa-5235" }, { "name": "FEDORA-2022-ef038365de", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/" }, { "name": "FEDORA-2022-8268735e06", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/" }, { "name": "FEDORA-2022-b197d64471", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/" }, { "name": "[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html" }, { "name": "GLSA-202210-25", "tags": [ "vendor-advisory" ], "url": "https://security.gentoo.org/glsa/202210-25" } ], "credits": [ { "lang": "en", "value": "ISC would like to thank Yehuda Afek from Tel-Aviv University and Anat Bremler-Barr & Shani Stajnrod from Reichman University for bringing this vulnerability to our attention." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM" } } ], "problemTypes": [ { "descriptions": [ { "type": "text", "lang": "en", "description": "In BIND 9.0.0 -> 9.16.32, 9.18.0 -> 9.18.6, versions 9.9.3-S1 -> 9.11.37-S1, 9.16.8-S1 -> 9.16.32-S1 of the BIND Supported Preview Edition, and versions 9.19.0 -> 9.19.4 of the BIND 9.19 development branch, a flaw in resolver code can cause named to spend excessive amounts of time on processing large delegations." } ] } ], "source": { "discovery": "EXTERNAL" }, "workarounds": [ { "lang": "en", "value": "No workarounds known." } ], "exploits": [ { "lang": "en", "value": "We are not aware of any active exploits." } ], "solutions": [ { "lang": "en", "value": "Upgrade to the patched release most closely related to your current version of BIND: BIND 9.16.33, BIND 9.18.7, BIND 9.19.5, or for BIND Supported Preview Edition (a special feature preview branch of BIND provided to eligible ISC support customers): BIND 9.16.33-S1." } ] }, "adp": [ { "affected": [ { "vendor": "isc", "product": "bind", "cpes": [ "cpe:2.3:a:isc:bind:9.0.0:-:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "9.0.0", "status": "affected", "lessThanOrEqual": "9.16.32", "versionType": "custom" } ] }, { "vendor": "isc", "product": "bind", "cpes": [ "cpe:2.3:a:isc:bind:9.9.3:s1:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "9.9.3", "status": "affected", "lessThan": "9.11.37", "versionType": "custom" } ] }, { "vendor": "isc", "product": "bind", "cpes": [ "cpe:2.3:a:isc:bind:9.16.8:s1:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "9.16.8", "status": "affected", "lessThan": "9.16.32", "versionType": "custom" } ] }, { "vendor": "isc", "product": "bind", "cpes": [ "cpe:2.3:a:isc:bind:9.19.0:*:*:*:-:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "9.19.0", "status": "affected", "lessThan": "9.19.4", "versionType": "custom" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-04-12T17:20:53.564264Z", "id": "CVE-2022-2795", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-20T19:41:53.934Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T00:46:04.433Z" }, "title": "CVE Program Container", "references": [ { "url": "https://kb.isc.org/docs/cve-2022-2795", "tags": [ "x_transferred" ] }, { "name": "[oss-security] 20220921 ISC has disclosed six vulnerabilities in BIND (CVE-2022-2795, CVE-2022-2881, CVE-2022-2906, CVE-2022-3080, CVE-2022-38177, CVE-2022-38178)", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2022/09/21/3" }, { "name": "DSA-5235", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5235" }, { "name": "FEDORA-2022-ef038365de", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/" }, { "name": "FEDORA-2022-8268735e06", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/" }, { "name": "FEDORA-2022-b197d64471", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/" }, { "name": "[debian-lts-announce] 20221005 [SECURITY] [DLA 3138-1] bind9 security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html" }, { "name": "GLSA-202210-25", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202210-25" } ] } ] } }