{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-20197",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "There is an open race window when writing output in the following utilities in GNU binutils version 2.35 and earlier:ar, objcopy, strip, ranlib. When these utilities are run as a privileged user (presumably as part of a script updating binaries across different users), an unprivileged user can trick these utilities into getting ownership of arbitrary files through a symlink."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-59",
                        "cweId": "CWE-59"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "binutils",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "binutils 2.35"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1913743",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1913743"
            },
            {
                "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=26945",
                "refsource": "MISC",
                "name": "https://sourceware.org/bugzilla/show_bug.cgi?id=26945"
            },
            {
                "url": "https://security.gentoo.org/glsa/202208-30",
                "refsource": "MISC",
                "name": "https://security.gentoo.org/glsa/202208-30"
            },
            {
                "url": "https://security.netapp.com/advisory/ntap-20210528-0009/",
                "refsource": "MISC",
                "name": "https://security.netapp.com/advisory/ntap-20210528-0009/"
            }
        ]
    }
}