{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-33640",
        "assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
        "assignerShortName": "openEuler",
        "dateUpdated": "2025-04-17T14:58:03.494Z",
        "dateReserved": "2021-05-28T00:00:00.000Z",
        "datePublished": "2022-12-19T00:00:00.000Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
                "shortName": "openEuler",
                "dateUpdated": "2022-12-28T00:00:00.000Z"
            },
            "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->th_buf) . As a result, the released memory is used (use-after-free)."
                }
            ],
            "affected": [
                {
                    "vendor": "openEuler",
                    "product": "openEuler 22.03 LTS",
                    "versions": [
                        {
                            "version": " libtar 1.2.20-21",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "openEuler",
                    "product": "openEuler 20.03 LTS SP1",
                    "versions": [
                        {
                            "version": " libtar 1.2.20-19",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "openEuler",
                    "product": "openEuler 20.03 LTS SP3",
                    "versions": [
                        {
                            "version": " libtar 1.2.20-19",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=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/"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.2,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-416 Use After Free",
                            "cweId": "CWE-416"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "source": {
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T23:58:21.909Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=libtar",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "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/"
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-04-17T14:57:23.132306Z",
                                "id": "CVE-2021-33640",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-04-17T14:58:03.494Z"
                }
            }
        ]
    }
}