{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-40153",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used by unsquashfs to create the new file during the unsquash. The filename is not validated for traversal outside of the destination directory, and thus allows writing to locations outside of the destination."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/plougher/squashfs-tools/commit/79b5a555058eef4e1e7ff220c344d39f8cd09646",
                "refsource": "MISC",
                "name": "https://github.com/plougher/squashfs-tools/commit/79b5a555058eef4e1e7ff220c344d39f8cd09646"
            },
            {
                "url": "https://github.com/plougher/squashfs-tools/issues/72",
                "refsource": "MISC",
                "name": "https://github.com/plougher/squashfs-tools/issues/72"
            },
            {
                "url": "https://bugs.launchpad.net/ubuntu/+source/squashfs-tools/+bug/1941790",
                "refsource": "MISC",
                "name": "https://bugs.launchpad.net/ubuntu/+source/squashfs-tools/+bug/1941790"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-cdbd827c1e",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RAOZ4BKWAC4Y3U2K5MMW3S77HWWXHQDL/"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210831 [SECURITY] [DLA 2752-1] squashfs-tools security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00030.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4967",
                "url": "https://www.debian.org/security/2021/dsa-4967"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-9fb6da134f",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GSMRKVJMJFX3MB7D3PXJSYY3TLZROE5S/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202305-29",
                "url": "https://security.gentoo.org/glsa/202305-29"
            }
        ]
    }
}