{
  "modified": "2025-04-20T01:37:25Z",
  "published": "2017-08-07T20:29:00Z",
  "id": "CVE-2015-7855",
  "details": "The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://support.ntp.org/bin/view/Main/NtpBug2922"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.debian.org/security/2015/dsa-3388"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/bid/77283"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securitytracker.com/id/1033951"
    },
    {
      "type": "ADVISORY",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1274264"
    },
    {
      "type": "ADVISORY",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf"
    },
    {
      "type": "ADVISORY",
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/201607-15"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20171004-0001/"
    },
    {
      "type": "ADVISORY",
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.exploit-db.com/exploits/40840/"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.exploit-db.com/exploits/40840/"
    },
    {
      "type": "FIX",
      "url": "http://support.ntp.org/bin/view/Main/NtpBug2922"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1274264"
    }
  ]
}