GSD-2021-43566

Vulnerability from gsd - Updated: 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
CVE-2021-43566
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{
  "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"
    }
  },
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      "affects": {
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          }
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            "name": "https://bugzilla.samba.org/show_bug.cgi?id=13979",
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            "url": "https://security.netapp.com/advisory/ntap-20220110-0001/"
          },
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            "url": "https://www.samba.org/samba/security/CVE-2021-43566.html"
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    "nvd.nist.gov": {
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        "nodes": [
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                "versionEndExcluding": "4.13.16",
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            }
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        "references": {
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            },
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      },
      "impact": {
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          "cvssV2": {
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            "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": {
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            "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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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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