CVE-2022-3736 (GCVE-0-2022-3736)
Vulnerability from cvelistv5
Published
2023-01-25 21:39
Modified
2025-04-01 14:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
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.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T01:20:57.535Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "CVE-2022-3736",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://kb.isc.org/docs/cve-2022-3736"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-3736",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-01T14:10:30.864635Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
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"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-01T14:10:47.439Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "BIND 9",
"vendor": "ISC",
"versions": [
{
"lessThanOrEqual": "9.16.36",
"status": "affected",
"version": "9.16.12",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.18.10",
"status": "affected",
"version": "9.18.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.19.8",
"status": "affected",
"version": "9.19.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.16.36-S1",
"status": "affected",
"version": "9.16.12-S1",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "ISC would like to thank Borja Marcos from Sarenet (with assistance by Iratxe Ni\u00f1o from Fundaci\u00f3n Sarenet) for bringing this vulnerability to our attention."
}
],
"datePublic": "2023-01-25T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "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.\nThis 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."
}
],
"exploits": [
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"value": "We are not aware of any active exploits."
}
],
"impacts": [
{
"descriptions": [
{
"lang": "en",
"value": "By sending specific queries to the resolver, an attacker can cause `named` to crash."
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
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"descriptions": [
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"type": "text"
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],
"providerMetadata": {
"dateUpdated": "2023-01-26T06:03:10.975Z",
"orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
"shortName": "isc"
},
"references": [
{
"name": "CVE-2022-3736",
"tags": [
"vendor-advisory"
],
"url": "https://kb.isc.org/docs/cve-2022-3736"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.37, 9.18.11, 9.19.9, or 9.16.37-S1."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries",
"workarounds": [
{
"lang": "en",
"value": "Setting `stale-answer-client-timeout` to `0` or to `off/disabled` will prevent BIND from crashing due to this issue."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
"assignerShortName": "isc",
"cveId": "CVE-2022-3736",
"datePublished": "2023-01-25T21:39:18.187Z",
"dateReserved": "2022-10-28T07:04:32.966Z",
"dateUpdated": "2025-04-01T14:10:47.439Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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