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[email protected]CVE-2016-1549

HistoryJan 06, 2017 - 9:59 p.m.

CVE-2016-1549

2017-01-0621:59:00

CWE-19

[email protected]

web.nvd.nist.gov

cve-2016-1549

ntp

ntpd

security vulnerability

clock modification

nvd

cve

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

6 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.0%

JSON

A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim’s clock.

Affected configurations

NVD

Node

ntpntpMatch4.2.8p4

CPENameOperatorVersion
ntp:ntpntpeq4.2.8

CPE	Name	Operator	Version
ntp:ntp	ntp	eq	4.2.8

CNA Affected

[
  {
    "product": "NTP",
    "vendor": "NTP Project",
    "versions": [
      {
        "status": "affected",
        "version": "4.2.8p3"
      },
      {
        "status": "affected",
        "version": "4.2.8p4"
      }
    ]
  },
  {
    "product": "NTPSec",
    "vendor": "NTPsec Project",
    "versions": [
      {
        "status": "affected",
        "version": "3e160db8dc248a0bcb053b56a80167dc742d2b74"
      },
      {
        "status": "affected",
        "version": "a5fb34b9cc89b92a8fef2f459004865c93bb7f92"
      }
    ]
  }
]