CVE-2023-2911

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

21/06/2023

Last modified:

03/07/2023

Description

If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow.<br /> This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.

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:::::-:::*	9.16.33 (including)	9.16.41 (including)
cpe:2.3:a:isc:bind:::::supported_preview:::*	9.16.33 (including)	9.16.41 (including)
cpe:2.3:a:isc:bind:::::-:::*	9.18.7 (including)	9.18.15 (including)
cpe:2.3:a:isc:bind:::::supported_preview:::*	9.18.11 (including)	9.18.15 (including)
cpe:2.3:o:debian:debian_linux:11.0:::::::*
cpe:2.3:o:debian:debian_linux:12.0:::::::*
cpe:2.3:o:fedoraproject:fedora:37:::::::*
cpe:2.3:o:fedoraproject:fedora:38:::::::*
cpe:2.3:o:debian:debian_linux:11.0:::::::*
cpe:2.3:o:debian:debian_linux:12.0:::::::*
cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
cpe:2.3:o:netapp:h700s_firmware:-:::::::*
cpe:2.3:h:netapp:h700s:-:::::::*
cpe:2.3:o:netapp:h300s_firmware:-:::::::*
cpe:2.3:h:netapp:h300s:-:::::::*

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:::::-:::*	9.16.33 (including)	9.16.41 (including)
cpe:2.3:a:isc:bind:::::supported_preview:::*	9.16.33 (including)	9.16.41 (including)
cpe:2.3:a:isc:bind:::::-:::*	9.18.7 (including)	9.18.15 (including)
cpe:2.3:a:isc:bind:::::supported_preview:::*	9.18.11 (including)	9.18.15 (including)
cpe:2.3:o:debian:debian_linux:11.0:::::::*
cpe:2.3:o:debian:debian_linux:12.0:::::::*
cpe:2.3:o:fedoraproject:fedora:37:::::::*
cpe:2.3:o:fedoraproject:fedora:38:::::::*
cpe:2.3:o:debian:debian_linux:11.0:::::::*
cpe:2.3:o:debian:debian_linux:12.0:::::::*
cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
cpe:2.3:o:netapp:h700s_firmware:-:::::::*
cpe:2.3:h:netapp:h700s:-:::::::*
cpe:2.3:o:netapp:h300s_firmware:-:::::::*
cpe:2.3:h:netapp:h300s:-:::::::*

CVE-2023-2911

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools