{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-31566",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "dateUpdated": "2024-08-03T23:03:33.486Z",
        "dateReserved": "2021-12-16T00:00:00.000Z",
        "datePublished": "2022-08-23T00:00:00.000Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
                "shortName": "redhat",
                "dateUpdated": "2022-11-22T00:00:00.000Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "libarchive",
                    "versions": [
                        {
                            "version": "Fixed in libarchive 3.5.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/libarchive/libarchive/issues/1566"
                },
                {
                    "url": "https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043"
                },
                {
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024237"
                },
                {
                    "url": "https://access.redhat.com/security/cve/CVE-2021-31566"
                },
                {
                    "name": "[debian-lts-announce] 20221122 [SECURITY] [DLA 3202-1] libarchive security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-59 - Improper Link Resolution Before File Access ('Link Following')",
                            "cweId": "CWE-59"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T23:03:33.486Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://github.com/libarchive/libarchive/issues/1566",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024237",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://access.redhat.com/security/cve/CVE-2021-31566",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[debian-lts-announce] 20221122 [SECURITY] [DLA 3202-1] libarchive security update",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html"
                    }
                ]
            }
        ]
    }
}