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IscCVE-2023-4236

HistorySep 20, 2023 - 1:15 p.m.

CVE-2023-4236

2023-09-2013:15:12

CWE-617

isc

web.nvd.nist.gov

157

cve-2023-4236

networking code

dns-over-tls

bind 9

assertion failure

security vulnerability

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

46.9%

JSON

A flaw in the networking code handling DNS-over-TLS queries may cause named to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load.
This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.

Affected configurations

Nvd

Node

iscbindRange9.18.0–9.18.18-

iscbindMatch9.18.11s1supported_preview

iscbindMatch9.18.18s1supported_preview

Node

fedoraprojectfedoraMatch37

fedoraprojectfedoraMatch38

fedoraprojectfedoraMatch39

Node

debiandebian_linuxMatch10.0

debiandebian_linuxMatch11.0

Node

netapph300sMatch-

AND

netapph300s_firmwareMatch-

Node

netapph500sMatch-

AND

netapph500s_firmwareMatch-

Node

netapph700sMatch-

AND

netapph700s_firmwareMatch-

Node

netapph410sMatch-

AND

netapph410s_firmwareMatch-

Node

netapph410cMatch-

AND

netapph410c_firmwareMatch-

VendorProductVersionCPE
iscbind*cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
iscbind9.18.11cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:*
iscbind9.18.18cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:*
fedoraprojectfedora37cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
fedoraprojectfedora38cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
fedoraprojectfedora39cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debiandebian_linux11.0cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
netapph300s-cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
netapph300s_firmware-cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
isc	bind	*	cpe:2.3:a:isc:bind:::::-:::*
isc	bind	9.18.11	cpe:2.3:a:isc:bind:9.18.11:s1:::supported_preview:::*
isc	bind	9.18.18	cpe:2.3:a:isc:bind:9.18.18:s1:::supported_preview:::*
fedoraproject	fedora	37	cpe:2.3:o:fedoraproject:fedora:37:::::::*
fedoraproject	fedora	38	cpe:2.3:o:fedoraproject:fedora:38:::::::*
fedoraproject	fedora	39	cpe:2.3:o:fedoraproject:fedora:39:::::::*
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*
debian	debian_linux	11.0	cpe:2.3:o:debian:debian_linux:11.0:::::::*
netapp	h300s	-	cpe:2.3:h:netapp:h300s:-:::::::*
netapp	h300s_firmware	-	cpe:2.3:o:netapp:h300s_firmware:-:::::::*

Rows per page:

1-10 of 181

CNA Affected

[
  {
    "vendor": "ISC",
    "product": "BIND 9",
    "versions": [
      {
        "version": "9.18.0",
        "lessThanOrEqual": "9.18.18",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.18.11-S1",
        "lessThanOrEqual": "9.18.18-S1",
        "status": "affected",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]