CVE-2016-2517

Published Jan 30, 2017

Last updated 7 years ago

Overview

Description
NTP before 4.2.8p7 and 4.3.x before 4.3.92 allows remote attackers to cause a denial of service (prevent subsequent authentication) by leveraging knowledge of the controlkey or requestkey and sending a crafted packet to ntpd, which changes the value of trustedkey, controlkey, or requestkey. NOTE: this vulnerability exists because of a CVE-2016-2516 regression.
Source
cve@mitre.org
NVD status
Modified

Risk scores

CVSS 3.0

Type
Primary
Base score
5.3
Impact score
3.6
Exploitability score
1.6
Vector string
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
4.9
Impact score
6.9
Exploitability score
3.9
Vector string
AV:N/AC:H/Au:S/C:N/I:N/A:C

Weaknesses

nvd@nist.gov
CWE-20

Social media

Hype score
Not currently trending

Configurations