FKIE_CVE-2020-27534

Vulnerability from fkie_nvd - Published: 2020-12-30 23:15 - Updated: 2024-11-21 05:21
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call.
References
cve@mitre.orghttp://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/Release Notes, Third Party Advisory
cve@mitre.orghttps://github.com/moby/buildkit/pull/1462Third Party Advisory
cve@mitre.orghttps://github.com/moby/moby/pull/40877Third Party Advisory
cve@mitre.orghttps://golang.org/pkg/io/ioutil/#TempDirThird Party Advisory
cve@mitre.orghttps://golang.org/pkg/os/#TempDirThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/moby/buildkit/pull/1462Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/moby/moby/pull/40877Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://golang.org/pkg/io/ioutil/#TempDirThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://golang.org/pkg/os/#TempDirThird Party Advisory
Impacted products
Vendor Product Version
docker docker *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:docker:docker:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5451874E-0639-4771-82AA-D20DDEB52EDF",
              "versionEndExcluding": "19.03.9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "util/binfmt_misc/check.go in Builder in Docker Engine before 19.03.9 calls os.OpenFile with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument in an ioutil.TempDir call."
    },
    {
      "lang": "es",
      "value": "El archivo util/binfmt_misc/check.go en Builder en Docker Engine versiones anteriores a 9.03.9, llama a os.OpenFile con un nombre de ruta temporal qemu-check potencialmente inseguro, construido con un primer argumento vac\u00edo en una llamada de ioutil.TempDir."
    }
  ],
  "id": "CVE-2020-27534",
  "lastModified": "2024-11-21T05:21:19.763",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-12-30T23:15:15.297",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/buildkit/pull/1462"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/pull/40877"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://golang.org/pkg/io/ioutil/#TempDir"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://golang.org/pkg/os/#TempDir"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "http://web.archive.org/web/20200530054359/https://docs.docker.com/engine/release-notes/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/buildkit/pull/1462"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/moby/moby/pull/40877"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://golang.org/pkg/io/ioutil/#TempDir"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://golang.org/pkg/os/#TempDir"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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