Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
0

CVE-2016-2517

Disclosure Date: January 30, 2017 •
CVE-2016-2517
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • ntp

Products

  • ntp,
  • ntp 4.3.0,
  • ntp 4.3.1,
  • ntp 4.3.10,
  • ntp 4.3.11,
  • ntp 4.3.12,
  • ntp 4.3.13,
  • ntp 4.3.14,
  • ntp 4.3.15,
  • ntp 4.3.16,
  • ntp 4.3.17,
  • ntp 4.3.18,
  • ntp 4.3.19,
  • ntp 4.3.2,
  • ntp 4.3.20,
  • ntp 4.3.21,
  • ntp 4.3.22,
  • ntp 4.3.23,
  • ntp 4.3.24,
  • ntp 4.3.25,
  • ntp 4.3.26,
  • ntp 4.3.27,
  • ntp 4.3.28,
  • ntp 4.3.29,
  • ntp 4.3.3,
  • ntp 4.3.30,
  • ntp 4.3.31,
  • ntp 4.3.32,
  • ntp 4.3.33,
  • ntp 4.3.34,
  • ntp 4.3.35,
  • ntp 4.3.36,
  • ntp 4.3.37,
  • ntp 4.3.38,
  • ntp 4.3.39,
  • ntp 4.3.4,
  • ntp 4.3.40,
  • ntp 4.3.41,
  • ntp 4.3.42,
  • ntp 4.3.43,
  • ntp 4.3.44,
  • ntp 4.3.45,
  • ntp 4.3.46,
  • ntp 4.3.47,
  • ntp 4.3.48,
  • ntp 4.3.49,
  • ntp 4.3.5,
  • ntp 4.3.50,
  • ntp 4.3.51,
  • ntp 4.3.52,
  • ntp 4.3.53,
  • ntp 4.3.54,
  • ntp 4.3.55,
  • ntp 4.3.56,
  • ntp 4.3.57,
  • ntp 4.3.58,
  • ntp 4.3.59,
  • ntp 4.3.6,
  • ntp 4.3.60,
  • ntp 4.3.61,
  • ntp 4.3.62,
  • ntp 4.3.63,
  • ntp 4.3.64,
  • ntp 4.3.65,
  • ntp 4.3.66,
  • ntp 4.3.67,
  • ntp 4.3.68,
  • ntp 4.3.69,
  • ntp 4.3.7,
  • ntp 4.3.70,
  • ntp 4.3.71,
  • ntp 4.3.72,
  • ntp 4.3.73,
  • ntp 4.3.74,
  • ntp 4.3.75,
  • ntp 4.3.76,
  • ntp 4.3.77,
  • ntp 4.3.78,
  • ntp 4.3.79,
  • ntp 4.3.8,
  • ntp 4.3.80,
  • ntp 4.3.81,
  • ntp 4.3.82,
  • ntp 4.3.83,
  • ntp 4.3.84,
  • ntp 4.3.85,
  • ntp 4.3.86,
  • ntp 4.3.87,
  • ntp 4.3.88,
  • ntp 4.3.89,
  • ntp 4.3.9,
  • ntp 4.3.90,
  • ntp 4.3.91
Technical Analysis