{
    "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2017-7761",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Firefox ESR",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "52.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Firefox",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "54"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Mozilla"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Mozilla Maintenance Service \"helper.exe\" application creates a temporary directory writable by non-privileged users. When this is combined with creation of a junction (a form of symbolic link), protected files in the target directory of the junction can be deleted by the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "File deletion and privilege escalation through Mozilla Maintenance Service helper.exe application"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "99057",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/99057"
            },
            {
                "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1215648",
                "refsource": "CONFIRM",
                "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1215648"
            },
            {
                "name": "https://www.mozilla.org/security/advisories/mfsa2017-15/",
                "refsource": "CONFIRM",
                "url": "https://www.mozilla.org/security/advisories/mfsa2017-15/"
            },
            {
                "name": "1038689",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1038689"
            },
            {
                "name": "https://sourceforge.net/p/nsis/bugs/1125/",
                "refsource": "MISC",
                "url": "https://sourceforge.net/p/nsis/bugs/1125/"
            },
            {
                "name": "https://www.mozilla.org/security/advisories/mfsa2017-16/",
                "refsource": "CONFIRM",
                "url": "https://www.mozilla.org/security/advisories/mfsa2017-16/"
            }
        ]
    }
}