CVE-2022-2795 (GCVE-0-2022-2795)
Vulnerability from cvelistv5
Published
2022-09-21 10:15
Modified
2024-11-29 12:04
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • 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.
Summary
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.
References
security-officer@isc.org http://www.openwall.com/lists/oss-security/2022/09/21/3 Mailing List, Patch, Third Party Advisory
security-officer@isc.org https://kb.isc.org/docs/cve-2022-2795 Patch, Vendor Advisory
security-officer@isc.org https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html Mailing List, Third Party Advisory
security-officer@isc.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
security-officer@isc.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
security-officer@isc.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
security-officer@isc.org https://security.gentoo.org/glsa/202210-25 Third Party Advisory
security-officer@isc.org https://www.debian.org/security/2022/dsa-5235 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2022/09/21/3 Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://kb.isc.org/docs/cve-2022-2795 Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2022/10/msg00007.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4GQWBPF7Y52J2FA24U6UMHQAOXZEF7/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MRHB6J4Z7BKH4HPEKG5D35QGRD6ANNMT/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZJQNUASODNVAWZV6STKG5SD6XIJ446S/
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/202210-25 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20241129-0002/
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2022/dsa-5235 Third Party Advisory
Impacted products
Vendor Product Version
ISC BIND9 Version: Open Source Branches 9.0 through 9.16 9.0.0 through versions before 9.16.33
Version: Open Source Branch 9.18 9.18.0 through versions before 9.18.7
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
Version: Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.33-S1
Version: Development Branch 9.19 9.19.0 through versions before 9.19.5
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{
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\"en\", \"value\": \"No workarounds known.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver\u0027s performance, effectively denying legitimate clients access to the DNS resolution service.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"In BIND 9.0.0 -\u003e 9.16.32, 9.18.0 -\u003e 9.18.6, versions 9.9.3-S1 -\u003e 9.11.37-S1, 9.16.8-S1 -\u003e 9.16.32-S1 of the BIND Supported Preview Edition, and versions 9.19.0 -\u003e 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.\"}]}], \"providerMetadata\": {\"orgId\": \"404fd4d2-a609-4245-b543-2c944a302a22\", \"shortName\": \"isc\", \"dateUpdated\": \"2022-10-31T00:00:00\"}}}",
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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