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vulnrichmentIscVULNRICHMENT:CVE-2023-5679
HistoryFeb 13, 2024 - 2:05 p.m.

CVE-2023-5679 Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution

2024-02-1314:05:06
isc
github.com
1
cve-2023-5679
dns64
serve-stale
named
assertion failure
recursive resolution
bind 9.

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

7.1

Confidence

Low

SSVC

Exploitation

none

Automatable

no

Technical Impact

partial

A bad interaction between DNS64 and serve-stale may cause named to crash with an assertion failure during recursive resolution, when both of these features are enabled.
This issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

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

7.1

Confidence

Low

SSVC

Exploitation

none

Automatable

no

Technical Impact

partial