CVE-2021-33643
Vulnerability from cvelistv5
Published
2022-08-09 00:00
Modified
2024-08-03 23:58
Severity ?
Summary
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
References
securities@openeuler.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
securities@openeuler.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/
securities@openeuler.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/
securities@openeuler.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
securities@openeuler.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/
securities@openeuler.orghttps://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807Broken Link, Third Party Advisory
Impacted products
n/alibtar
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:58:21.520Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807"
          },
          {
            "name": "FEDORA-2022-fe1a4e3cf0",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/"
          },
          {
            "name": "FEDORA-2022-50e8a1b51d",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/"
          },
          {
            "name": "FEDORA-2022-44a20bba43",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/"
          },
          {
            "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",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libtar",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c1.2.21"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-28T00:00:00",
        "orgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
        "shortName": "openEuler"
      },
      "references": [
        {
          "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807"
        },
        {
          "name": "FEDORA-2022-fe1a4e3cf0",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/"
        },
        {
          "name": "FEDORA-2022-50e8a1b51d",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/"
        },
        {
          "name": "FEDORA-2022-44a20bba43",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/"
        },
        {
          "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/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
    "assignerShortName": "openEuler",
    "cveId": "CVE-2021-33643",
    "datePublished": "2022-08-09T00:00:00",
    "dateReserved": "2021-05-28T00:00:00",
    "dateUpdated": "2024-08-03T23:58:21.520Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33643\",\"sourceIdentifier\":\"securities@openeuler.org\",\"published\":\"2022-08-10T20:15:20.450\",\"lastModified\":\"2023-11-07T03:35:53.637\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.\"},{\"lang\":\"es\",\"value\":\"Un atacante que env\u00eda un archivo tar dise\u00f1ado con el tama\u00f1o de la estructura de encabezado siendo 0 puede ser capaz de desencadenar una llamada de malloc(0) para una variable gnu_longlink, causando una lectura fuera de l\u00edmites\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]},{\"source\":\"securities@openeuler.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.2.21\",\"matchCriteriaId\":\"9FB33CE5-5B11-49D2-9277-67E941584A35\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:*\",\"matchCriteriaId\":\"78AA9487-C85C-4F4F-9429-E0496080F7B5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:*\",\"matchCriteriaId\":\"2E9E5CF1-3FD7-413A-BD29-0EBA0E1E6766\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:openeuler:22.03:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"435FECB5-9313-4400-A95F-8F7C9D5A0A07\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E30D0E6F-4AE8-4284-8716-991DFA48CC5D\"}]}]}],\"references\":[{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807\",\"source\":\"securities@openeuler.org\",\"tags\":[\"Broken Link\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.