gsd-2020-27840
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.
Aliases
Aliases
CVE-2020-27840


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-27840",
    "description": "A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.",
    "id": "GSD-2020-27840",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-27840.html",
      "https://www.debian.org/security/2021/dsa-4884",
      "https://ubuntu.com/security/CVE-2020-27840",
      "https://advisories.mageia.org/CVE-2020-27840.html",
      "https://security.archlinux.org/CVE-2020-27840"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-27840"
      ],
      "details": "A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.",
      "id": "GSD-2020-27840",
      "modified": "2023-12-13T01:22:11.171389Z",
      "schema_version": "1.4.0"
    }
  },
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      },
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "samba",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "samba 4.14.1, samba 4.13.6, samba 4.12.13"
                        }
                      ]
                    }
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              "vendor_name": "n/a"
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          }
        ]
      },
      "problemtype": {
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              }
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          {
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          },
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        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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              },
              {
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                "cpe_name": [],
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          },
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          {
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            "cpe_match": [
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            }
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-05-26T19:46Z",
      "publishedDate": "2021-05-12T15:15Z"
    }
  }
}


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