{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2022-2795","assignerOrgId":"404fd4d2-a609-4245-b543-2c944a302a22","assignerShortName":"isc","datePublished":"2022-09-21T10:15:25.796Z","dateUpdated":"2024-11-29T12:04:33.614Z","dateReserved":"2022-08-12T00:00:00.000Z"},"containers":{"cna":{"title":"Processing large delegations may severely degrade resolver performance","datePublic":"2022-09-21T00:00:00.000Z","providerMetadata":{"orgId":"404fd4d2-a609-4245-b543-2c944a302a22","shortName":"isc","dateUpdated":"2022-10-31T00:00:00.000Z"},"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"}},{"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"},{"url":"https://security.netapp.com/advisory/ntap-20241129-0002/"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-11-29T12:04:33.614Z"}}]}}