CVE-2022-3736 : BIND 9 resolver can crash when stale cache and stale answers are enabled, option

BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.

Published 2023-01-26 21:15:58

Updated 2025-04-01 15:15:53

Source Internet Systems Consortium (ISC)

View at NVD, CVE.org

Products affected by CVE-2022-3736

ISC » Bind »
Versions from including (>=) 9.18.0 and before (<) 9.18.11
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
Matching versions
ISC » Bind »
Versions from including (>=) 9.19.0 and before (<) 9.19.9
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
Matching versions
ISC » Bind »
Versions from including (>=) 9.16.12 and before (<) 9.16.37
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
Matching versions
ISC » Bind » Version: 9.16.11 Update S1 Supported Preview Edition
cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*
Matching versions
ISC » Bind » Version: 9.16.13 Update S1 Supported Preview Edition
cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*
Matching versions
ISC » Bind » Version: 9.16.21 Update S1 Supported Preview Edition
cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*
Matching versions
ISC » Bind » Version: 9.16.32 Update S1 Supported Preview Edition
cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:*
Matching versions
ISC » Bind » Version: 9.16.14 Update S1 Supported Preview Edition
cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:*
Matching versions
ISC » Bind » Version: 9.16.36 Update S1 Supported Preview Edition
cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:*
Matching versions

Threat overview for CVE-2022-3736

Top countries where our scanners detected CVE-2022-3736

Top open port discovered on systems with this issue 53

IPs affected by CVE-2022-3736 101,903

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2022-3736!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2022-3736

EPSS FAQ

0.85%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 73 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-3736

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Internet Systems Consortium (ISC)
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-3736

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

References for CVE-2022-3736

https://kb.isc.org/docs/cve-2022-3736

CVE-2022-3736: named configured to answer from stale cache may termina
Vendor Advisory