{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2015-1821",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
                "refsource": "MISC",
                "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
            },
            {
                "url": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html",
                "refsource": "MISC",
                "name": "http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html"
            },
            {
                "url": "http://www.debian.org/security/2015/dsa-3222",
                "refsource": "MISC",
                "name": "http://www.debian.org/security/2015/dsa-3222"
            },
            {
                "url": "http://www.securityfocus.com/bid/73955",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/73955"
            },
            {
                "url": "https://security.gentoo.org/glsa/201507-01",
                "refsource": "MISC",
                "name": "https://security.gentoo.org/glsa/201507-01"
            }
        ]
    }
}