CVE-2022-38178

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

21/09/2022

Last modified:

28/05/2025

Description

By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

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

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:isc:bind::::::::	9.9.12 (including)	9.9.13 (including)
cpe:2.3:a:isc:bind::::::::	9.10.7 (including)	9.10.8 (including)
cpe:2.3:a:isc:bind::::::::	9.11.3 (including)	9.16.32 (including)
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s4:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s3::::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:::*
cpe:2.3:a:isc:bind:9.11.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.8:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.14-s1::::preview:::
cpe:2.3:a:isc:bind:9.11.19-s1::::preview:::

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::::::::	9.9.12 (including)	9.9.13 (including)
cpe:2.3:a:isc:bind::::::::	9.10.7 (including)	9.10.8 (including)
cpe:2.3:a:isc:bind::::::::	9.11.3 (including)	9.16.32 (including)
cpe:2.3:a:isc:bind:9.11.3:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.3:s4:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.5:s3::::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:::*
cpe:2.3:a:isc:bind:9.11.7:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.8:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.12:s1:::supported_preview:::*
cpe:2.3:a:isc:bind:9.11.14-s1::::preview:::
cpe:2.3:a:isc:bind:9.11.19-s1::::preview:::

CVE-2022-38178

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools