gsd-2021-23386
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-23386",
"description": "This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.",
"id": "GSD-2021-23386"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-23386"
],
"details": "This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.",
"id": "GSD-2021-23386",
"modified": "2023-12-13T01:23:30.307989Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "report@snyk.io",
"DATE_PUBLIC": "2021-05-20T16:12:28.962988Z",
"ID": "CVE-2021-23386",
"STATE": "PUBLIC",
"TITLE": "Remote Memory Exposure"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "dns-packet",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "5.2.2"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "chalker"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Remote Memory Exposure"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563",
"refsource": "MISC",
"url": "https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563"
},
{
"name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719",
"refsource": "MISC",
"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719"
},
{
"name": "https://hackerone.com/bugs?subject=user\u0026amp%3Breport_id=968858",
"refsource": "MISC",
"url": "https://hackerone.com/bugs?subject=user\u0026amp%3Breport_id=968858"
},
{
"name": "https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56",
"refsource": "MISC",
"url": "https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c1.3.4||\u003e=2.0.0 \u003c5.2.2",
"affected_versions": "All versions before 1.3.4, all versions starting from 2.0.0 before 5.2.2",
"cvss_v2": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-909",
"CWE-937"
],
"date": "2022-07-12",
"description": "This affects the package dns-packet It creates buffers with `allocUnsafe` and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.",
"fixed_versions": [
"1.3.4",
"5.2.2"
],
"identifier": "CVE-2021-23386",
"identifiers": [
"CVE-2021-23386"
],
"not_impacted": "All versions starting from 1.3.4 before 2.0.0, all versions starting from 5.2.2",
"package_slug": "npm/dns-packet",
"pubdate": "2021-05-20",
"solution": "Upgrade to versions 1.3.4, 5.2.2 or above.",
"title": "Information Exposure",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-23386"
],
"uuid": "bf9b55a4-6082-4186-9b7c-aeb0a6e3a96d"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:dns-packet_project:dns-packet:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "1.3.4",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:dns-packet_project:dns-packet:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "5.2.2",
"versionStartIncluding": "2.0.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "report@snyk.io",
"ID": "CVE-2021-23386"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1295719"
},
{
"name": "https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://snyk.io/vuln/SNYK-JS-DNSPACKET-1293563"
},
{
"name": "https://hackerone.com/bugs?subject=user\u0026amp%3Breport_id=968858",
"refsource": "MISC",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "https://hackerone.com/bugs?subject=user\u0026amp%3Breport_id=968858"
},
{
"name": "https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/mafintosh/dns-packet/commit/25f15dd0fedc53688b25fd053ebbdffe3d5c1c56"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-06-01T13:59Z",
"publishedDate": "2021-05-20T17:15Z"
}
}
}
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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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