CVE-2020-8620

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

21/08/2020

Last modified:

02/06/2022

Description

In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:isc:bind::::::::	9.15.6 (including)	9.16.5 (including)
cpe:2.3:a:isc:bind::::::::	9.17.0 (including)	9.17.3 (including)
cpe:2.3:a:isc:bind:9.9.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.13:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.21:s1:::supported_preview:::*
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:o:opensuse:leap:15.2:::::::*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:::::::*
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:isc:bind::::::::	9.15.6 (including)	9.16.5 (including)
cpe:2.3:a:isc:bind::::::::	9.17.0 (including)	9.17.3 (including)
cpe:2.3:a:isc:bind:9.9.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.9.13:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.21:s1:::supported_preview:::*
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:o:opensuse:leap:15.2:::::::*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:::::::*
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

CVE-2020-8620

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools