CVE-2020-8623

In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with "--enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker

CVSS v3 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html	Mailing List Third Party Advisory
https://kb.isc.org/docs/cve-2020-8623	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
https://security.gentoo.org/glsa/202008-19	Third Party Advisory
https://security.netapp.com/advisory/ntap-20200827-0003/	Third Party Advisory
https://usn.ubuntu.com/4468-1/	Third Party Advisory
https://www.debian.org/security/2020/dsa-4752	Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_19	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:isc:bind::::::::
	cpe:2.3:a:isc:bind::::::::
	cpe:2.3:a:isc:bind::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:isc:bind:9.10.5:s1:::supported_preview:::*
	cpe:2.3:a:isc:bind:9.11.21:s1:::supported_preview:::*

Configuration 3 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:31:::::::*
	cpe:2.3:o:fedoraproject:fedora:32:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:opensuse:leap:15.1:::::::*
	cpe:2.3:o:opensuse:leap:15.2:::::::*

Configuration 5 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Configuration 6 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::

Configuration 7 (hide)

cpe:2.3:a:synology:dns_server:*:*:*:*:*:*:*:*

Configuration 8 (hide)

cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-08-21 21:15

Updated : 2023-11-07 03:26

NVD link : CVE-2020-8623

Mitre link : CVE-2020-8623

CVE.ORG link : CVE-2020-8623

JSON object : View

Products Affected

canonical

ubuntu_linux

fedoraproject

fedora

opensuse

leap

netapp

steelstore_cloud_integrated_storage

isc

bind

synology

dns_server

debian

debian_linux

CWE

CWE-617

Reachable Assertion

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To be vulnerable, the system must: * be running BIND that was built with \"--enable-native-pkcs11\" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker"}, {"lang": "es", "value": "En BIND versiones 9.10.0 -) 9.11.21, 9.12.0 -) 9.16.5, 9.17.0 -) 9.17.3, tambi\u00e9n afecta a versiones 9.10.5-S1 -) 9.11.21-S1 de BIND 9 Supported Preview Edition, un atacante que puede llegar a un sistema vulnerable con un paquete de consulta especialmente dise\u00f1ado puede desencadenar un bloqueo. Para ser vulnerable, el sistema debe: * estar ejecutando BIND que fue creado con \"--enable-native-pkcs11\" * estar firmando una o m\u00e1s zonas con una clave RSA * ser capaz de recibir consultas de un posible atacante"}], "lastModified": "2023-11-07T03:26:38.850", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53A66988-89C6-4329-8850-18BFBB4C8C8B", "versionEndIncluding": "9.11.21", "versionStartIncluding": "9.10.0"}, {"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DC734B51-6779-42C8-AE51-C4B92778AA64", "versionEndIncluding": "9.16.5", "versionStartIncluding": "9.12.1"}, {"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "85031A21-4F54-4CE6-B0F3-66D09928FF3C", "versionEndIncluding": "9.17.3", "versionStartIncluding": "9.17.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*", "vulnerable": true, "matchCriteriaId": "CAD41122-C5D8-4256-8CB7-FF88DCD96A13"}, {"criteria": "cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*", "vulnerable": true, "matchCriteriaId": "5CC1F26C-4757-4C87-BD8B-2FA456A88C6F"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:synology:dns_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54997147-2421-4DE2-9B7C-844D0DC89D20", "versionEndExcluding": "2.2.2-5027"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E94F7F59-1785-493F-91A7-5F5EA5E87E4D"}], "operator": "OR"}]}], "sourceIdentifier": "security-officer@isc.org"}

7.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

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7.5^/10

4.3^/10

Attach tags to `CVE-2020-8623`