gsd-2021-43566
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-43566",
"description": "All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.",
"id": "GSD-2021-43566",
"references": [
"https://www.suse.com/security/cve/CVE-2021-43566.html",
"https://ubuntu.com/security/CVE-2021-43566",
"https://access.redhat.com/errata/RHBA-2021:4438"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-43566"
],
"details": "All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.",
"id": "GSD-2021-43566",
"modified": "2023-12-13T01:23:26.669831Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-43566",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed."
}
]
},
"problemtype": {
"problemtype_data": [
{
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{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.samba.org/show_bug.cgi?id=13979",
"refsource": "MISC",
"url": "https://bugzilla.samba.org/show_bug.cgi?id=13979"
},
{
"name": "https://security.netapp.com/advisory/ntap-20220110-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20220110-0001/"
},
{
"name": "https://www.samba.org/samba/security/CVE-2021-43566.html",
"refsource": "MISC",
"url": "https://www.samba.org/samba/security/CVE-2021-43566.html"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.13.16",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-43566"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-362"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.samba.org/show_bug.cgi?id=13979",
"refsource": "MISC",
"tags": [
"Exploit",
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.samba.org/show_bug.cgi?id=13979"
},
{
"name": "https://www.samba.org/samba/security/CVE-2021-43566.html",
"refsource": "MISC",
"tags": [
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],
"url": "https://www.samba.org/samba/security/CVE-2021-43566.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20220110-0001/",
"refsource": "CONFIRM",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20220110-0001/"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.2,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 1.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 2.5,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 1.4
}
},
"lastModifiedDate": "2022-10-14T11:42Z",
"publishedDate": "2022-01-11T16:15Z"
}
}
}
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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.
- 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.