{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2015-1798",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The symmetric-key feature in the receive function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p2 requires a correct MAC only if the MAC field has a nonzero length, which makes it easier for man-in-the-middle attackers to spoof packets by omitting the MAC."
            }
        ]
    },
    "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://rhn.redhat.com/errata/RHSA-2015-1459.html",
                "refsource": "MISC",
                "name": "http://rhn.redhat.com/errata/RHSA-2015-1459.html"
            },
            {
                "url": "http://www.debian.org/security/2015/dsa-3223",
                "refsource": "MISC",
                "name": "http://www.debian.org/security/2015/dsa-3223"
            },
            {
                "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html",
                "refsource": "MISC",
                "name": "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html"
            },
            {
                "url": "http://support.apple.com/kb/HT204942",
                "refsource": "MISC",
                "name": "http://support.apple.com/kb/HT204942"
            },
            {
                "url": "http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html",
                "refsource": "MISC",
                "name": "http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html"
            },
            {
                "url": "http://bugs.ntp.org/show_bug.cgi?id=2779",
                "refsource": "MISC",
                "name": "http://bugs.ntp.org/show_bug.cgi?id=2779"
            },
            {
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html",
                "refsource": "MISC",
                "name": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155863.html"
            },
            {
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html",
                "refsource": "MISC",
                "name": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155864.html"
            },
            {
                "url": "http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html",
                "refsource": "MISC",
                "name": "http://lists.opensuse.org/opensuse-updates/2015-04/msg00052.html"
            },
            {
                "url": "http://marc.info/?l=bugtraq&m=143213867103400&w=2",
                "refsource": "MISC",
                "name": "http://marc.info/?l=bugtraq&m=143213867103400&w=2"
            },
            {
                "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities",
                "refsource": "MISC",
                "name": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
            },
            {
                "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150408-ntpd",
                "refsource": "MISC",
                "name": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150408-ntpd"
            },
            {
                "url": "http://tools.cisco.com/security/center/viewAlert.x?alertId=38276",
                "refsource": "MISC",
                "name": "http://tools.cisco.com/security/center/viewAlert.x?alertId=38276"
            },
            {
                "url": "http://www.kb.cert.org/vuls/id/374268",
                "refsource": "MISC",
                "name": "http://www.kb.cert.org/vuls/id/374268"
            },
            {
                "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:202",
                "refsource": "MISC",
                "name": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:202"
            },
            {
                "url": "http://www.securityfocus.com/bid/73951",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/73951"
            },
            {
                "url": "http://www.securitytracker.com/id/1032032",
                "refsource": "MISC",
                "name": "http://www.securitytracker.com/id/1032032"
            },
            {
                "url": "http://www.ubuntu.com/usn/USN-2567-1",
                "refsource": "MISC",
                "name": "http://www.ubuntu.com/usn/USN-2567-1"
            },
            {
                "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10114",
                "refsource": "MISC",
                "name": "https://kc.mcafee.com/corporate/index?page=content&id=SB10114"
            },
            {
                "url": "https://security.gentoo.org/glsa/201509-01",
                "refsource": "MISC",
                "name": "https://security.gentoo.org/glsa/201509-01"
            }
        ]
    }
}