{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:58:21.909Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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            "tags": [
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            "url": "https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640\u0026packageName=libtar"
          },
          {
            "name": "FEDORA-2022-88772d0a2d",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/"
          },
          {
            "name": "FEDORA-2022-ccc68b06cc",
            "tags": [
              "vendor-advisory",
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            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "openEuler 22.03 LTS",
          "vendor": "openEuler",
          "versions": [
            {
              "status": "affected",
              "version": " libtar 1.2.20-21"
            }
          ]
        },
        {
          "product": "openEuler 20.03 LTS SP1",
          "vendor": "openEuler",
          "versions": [
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              "version": " libtar 1.2.20-19"
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          "product": "openEuler 20.03 LTS SP3",
          "vendor": "openEuler",
          "versions": [
            {
              "status": "affected",
              "version": " libtar 1.2.20-19"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t-\u003eth_buf) . As a result, the released memory is used (use-after-free)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-28T00:00:00",
        "orgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
        "shortName": "openEuler"
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      "references": [
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          "url": "https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640\u0026packageName=libtar"
        },
        {
          "name": "FEDORA-2022-88772d0a2d",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/"
        },
        {
          "name": "FEDORA-2022-ccc68b06cc",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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        "engine": "Vulnogram 0.0.9"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
    "assignerShortName": "openEuler",
    "cveId": "CVE-2021-33640",
    "datePublished": "2022-12-19T00:00:00",
    "dateReserved": "2021-05-28T00:00:00",
    "dateUpdated": "2024-08-03T23:58:21.909Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}