cvelist/2021/3xxx/CVE-2021-3996.json

{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-3996",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "util-linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Fixed in util-linux v2.37.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-552 - Files or Directories Accessible to External Parties"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes",
                "url": "https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/util-linux/util-linux/commit/166e87368ae88bf31112a30e078cceae637f4cdb",
                "url": "https://github.com/util-linux/util-linux/commit/166e87368ae88bf31112a30e078cceae637f4cdb"
            },
            {
                "refsource": "MISC",
                "name": "https://www.openwall.com/lists/oss-security/2022/01/24/2",
                "url": "https://www.openwall.com/lists/oss-security/2022/01/24/2"
            },
            {
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2024628",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024628"
            },
            {
                "refsource": "MISC",
                "name": "https://access.redhat.com/security/cve/CVE-2021-3996",
                "url": "https://access.redhat.com/security/cve/CVE-2021-3996"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20221130 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
                "url": "http://www.openwall.com/lists/oss-security/2022/11/30/2"
            },
            {
                "refsource": "FULLDISC",
                "name": "20221208 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
                "url": "http://seclists.org/fulldisclosure/2022/Dec/4"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html",
                "url": "http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20221209-0002/",
                "url": "https://security.netapp.com/advisory/ntap-20221209-0002/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202401-08",
                "url": "https://security.gentoo.org/glsa/202401-08"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem. This flaw allows a local user on a vulnerable system to unmount other users' filesystems that are either world-writable themselves (like /tmp) or mounted in a world-writable directory. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems."
            }
        ]
    }
}