CVE-2021-25215

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

29/04/2021

Last modified:

07/11/2023

Description

In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.

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:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:a:isc:bind:::::-:::*	9.0.0 (including)	9.11.31 (excluding)
cpe:2.3:a:isc:bind:::::-:::*	9.12.0 (including)	9.16.15 (excluding)
cpe:2.3:a:isc:bind:::::-:::*	9.17.0 (including)	9.17.12 (excluding)
cpe:2.3:a:isc:bind:9.9.3:s1:::supported_preview:::*
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:9.10.5:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.10.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s3:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s5:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s6:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.6:s1:::supported_preview:::*

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

CPE	From	Up to
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*
cpe:2.3:a:isc:bind:::::-:::*	9.0.0 (including)	9.11.31 (excluding)
cpe:2.3:a:isc:bind:::::-:::*	9.12.0 (including)	9.16.15 (excluding)
cpe:2.3:a:isc:bind:::::-:::*	9.17.0 (including)	9.17.12 (excluding)
cpe:2.3:a:isc:bind:9.9.3:s1:::supported_preview:::*
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:9.10.5:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.10.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s3:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s5:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s6:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.6:s1:::supported_preview:::*

CVE-2021-25215

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools