Vulnerability-Lookup

CVE-2020-8618 (GCVE-0-2020-8618)

Vulnerability from cvelistv5 – Published: 2020-06-17 21:20 – Updated: 2024-09-16 23:36

Title

A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

Summary

An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.

Severity

4.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE

An assertion check in BIND (that is meant to prevent going beyond the end of a buffer when processing incoming data) can be incorrectly triggered by a large response during zone transfer. Versions affected: BIND 9.16.0 -> 9.16.3

Assigner

isc CNA under the mitre root

CNA scorecard A 95/100 over 29 records in the last 180 days details

References

5 references

URL	Tags
https://kb.isc.org/docs/cve-2020-8618	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2020062…	x_refsource_CONFIRM
https://usn.ubuntu.com/4399-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version	CPE status
ISC	BIND9	Affected: 9.16.0 -> 9.16.3	guessed

Date Public

2020-06-10 00:00

Show details on NVD website

JSON

To clipboard

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CERTFR-2020-AVI-382

Vulnerability from certfr_avis - Published: 2020-06-19 - Updated: 2020-06-19

De multiples vulnérabilités ont été découvertes dans BIND. Elles permettent à un attaquant de provoquer un déni de service à distance.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
ISC	BIND	BIND versions 9.16.x antérieures à 9.16.4
ISC	BIND	BIND versions 9.11.x antérieures à 9.11.20
ISC	BIND	BIND versions 9.14.9 à 9.14.12

References

Title

Publication Time

FKIE_CVE-2020-8618

Vulnerability from fkie_nvd - Published: 2020-06-17 22:15 - Updated: 2026-06-17 03:26

Severity

4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
security-officer@isc.org	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html	Mailing List, Third Party Advisory
security-officer@isc.org	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html	Mailing List, Third Party Advisory
security-officer@isc.org	https://kb.isc.org/docs/cve-2020-8618	Vendor Advisory
security-officer@isc.org	https://security.netapp.com/advisory/ntap-20200625-0003/	Third Party Advisory
security-officer@isc.org	https://usn.ubuntu.com/4399-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://kb.isc.org/docs/cve-2020-8618	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.netapp.com/advisory/ntap-20200625-0003/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/4399-1/	Third Party Advisory

Impacted products

Vendor	Product	Version
isc	bind	*
opensuse	leap	15.1
opensuse	leap	15.2
netapp	steelstore_cloud_integrated_storage	-
canonical	ubuntu_linux	20.04

JSON

To clipboard

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      "value": "An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients."
    },
    {
      "lang": "es",
      "value": "Un atacante al que se le permite enviar datos de zona a un servidor mediante la transferencia de zona puede explotar esto para provocar intencionalmente el fallo de aserci\u00f3n con una zona especialmente construida, negando el servicio a los clientes"
    }
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  "id": "CVE-2020-8618",
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  "published": "2020-06-17T22:15:12.977",
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      "source": "security-officer@isc.org",
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  "sourceIdentifier": "security-officer@isc.org",
  "vulnStatus": "Modified",
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          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-2C3J-P34F-V2CR

Vulnerability from github – Published: 2022-05-24 17:21 – Updated: 2022-10-07 18:16

Details

Severity

4.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2020-8618"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-617"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-06-17T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.",
  "id": "GHSA-2c3j-p34f-v2cr",
  "modified": "2022-10-07T18:16:01Z",
  "published": "2022-05-24T17:21:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8618"
    },
    {
      "type": "WEB",
      "url": "https://kb.isc.org/docs/cve-2020-8618"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200625-0003"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4399-1"
    },
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
    },
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    }
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      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2020-8618

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

Aliases

CVE-2020-8618

Aliases

CVE-2020-8618

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2020-8618",
    "description": "An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.",
    "id": "GSD-2020-8618",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-8618.html",
      "https://ubuntu.com/security/CVE-2020-8618",
      "https://security.archlinux.org/CVE-2020-8618"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-8618"
      ],
      "details": "An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.",
      "id": "GSD-2020-8618",
      "modified": "2023-12-13T01:21:53.806943Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2020-8618",
        "STATE": "PUBLIC",
        "TITLE": "A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "BIND9",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "9.16.0 -\u003e 9.16.3"
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              }
            ]
          }
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            "baseScore": 4.0,
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            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      },
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    }
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}

MSRC_CVE-2020-8618

Vulnerability from csaf_microsoft - Published: 2020-06-02 00:00 - Updated: 2020-08-18 00:00

Summary

A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

Scope

1 vulnerability in this advisory, including CVE-2020-8618.

CVE-2020-8618

4.9 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Fixed: 1 product Known affected: 1 product

https://learn.microsoft.com/en-us/azure/azure-linux/tutoria…

Open the full advisory

OPENSUSE-SU-2020:1699-1

Vulnerability from csaf_opensuse - Published: 2020-10-19 18:22 - Updated: 2026-09-20 19:14

Summary

Security update for bind

Severity

Moderate

Scope

12 vulnerabilities in this advisory, including CVE-2020-8618.

CVE-2020-8618

4.9 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Recommended: 41 products

Open the full advisory

OPENSUSE-SU-2020:1701-1

Vulnerability from csaf_opensuse - Published: 2020-10-20 04:20 - Updated: 2026-09-20 19:14

Summary

Security update for bind

Severity

Moderate

Scope

12 vulnerabilities in this advisory, including CVE-2020-8618.

CVE-2020-8618

4.9 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Recommended: 41 products

Open the full advisory

OPENSUSE-SU-2024:10650-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2026-09-20 20:02

Summary

bind-9.16.20-1.4 on GA media

Severity

Moderate

Scope

32 vulnerabilities in this advisory, including CVE-2020-8618.

CVE-2020-8618

4.9 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Recommended: 16 products

Open the full advisory

SUSE-SU-2020:2914-1

Vulnerability from csaf_suse - Published: 2020-10-13 15:25 - Updated: 2026-09-20 13:40

Summary

Security update for bind

Severity

Moderate

Scope

12 vulnerabilities in this advisory, including CVE-2020-8618.

CVE-2020-8618

4.9 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Recommended: 1024 products

Open the full advisory

UBUNTU-CVE-2020-8618 (CVE-2020-8618)

Vulnerability from osv_ubuntu – Published: 2020-06-17 00:00 – Updated: 2025-09-08 16:45 – Source website

Details

Severity

4.9 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

4.9 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2020-8618	REPORT
	https://kb.isc.org/docs/cve-2020-8618	REPORT
	https://ubuntu.com/security/notices/USN-4399-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2020-8618	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.16.1-0ubuntu2.2"
          },
          {
            "binary_name": "bind9-dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.2"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.16.1-0ubuntu2.2"
          },
          {
            "binary_name": "bind9-libs",
            "binary_version": "1:9.16.1-0ubuntu2.2"
          },
          {
            "binary_name": "bind9-utils",
            "binary_version": "1:9.16.1-0ubuntu2.2"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.16.1-0ubuntu2.2"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.16.1-0ubuntu2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.11.5.P4+dfsg-5.1ubuntu2",
        "1:9.11.5.P4+dfsg-5.1ubuntu3",
        "1:9.11.5.P4+dfsg-5.1ubuntu4",
        "1:9.11.5.P4+dfsg-5.1ubuntu5",
        "1:9.11.14+dfsg-1ubuntu1",
        "1:9.11.14+dfsg-3ubuntu1",
        "1:9.16.0-1ubuntu3",
        "1:9.16.0-1ubuntu4",
        "1:9.16.0-1ubuntu5",
        "1:9.16.1-0ubuntu1",
        "1:9.16.1-0ubuntu2",
        "1:9.16.1-0ubuntu2.1"
      ]
    }
  ],
  "aliases": [],
  "details": "An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.",
  "id": "UBUNTU-CVE-2020-8618",
  "modified": "2025-09-08T16:45:59Z",
  "published": "2020-06-17T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8618"
    },
    {
      "type": "REPORT",
      "url": "https://kb.isc.org/docs/cve-2020-8618"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4399-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-8618"
    }
  ],
  "related": [
    "USN-4399-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-8618"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2020-8618 (GCVE-0-2020-8618)

Solution

UBUNTU-CVE-2020-8618 (CVE-2020-8618)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour