Vulnerability Name:

CVE-2016-9312 (CCN-119090)

Assigned:2016-11-21
Published:2016-11-21
Updated:2017-07-28
Summary:ntpd in NTP before 4.2.8p9, when running on Windows, allows remote attackers to cause a denial of service via a large UDP packet.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-9312

Source: CONFIRM
Type: Release Notes, Vendor Advisory
http://nwtime.org/ntp428p9_release/

Source: CONFIRM
Type: Issue Tracking, Mitigation, Vendor Advisory
http://support.ntp.org/bin/view/Main/NtpBug3110

Source: CCN
Type: NTP Web site
November 2016 ntp-4.2.8p9 NTP Security Vulnerability Announcement (HIGH for Windows, MEDUIM otherwise)

Source: CONFIRM
Type: Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities

Source: CCN
Type: IBM Security Bulletin 1996308 (Lotus Protector for Mail Security)
Lotus Protector for Mail Security Affected By Multiple Open Source NTP Vulnerabilities

Source: CCN
Type: US-CERT VU#633847
NTP.org ntpd contains multiple denial of service vulnerabilities

Source: BID
Type: Third Party Advisory, VDB Entry
94450

Source: CCN
Type: BID-94450
NTP CVE-2016-9312 Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1037354

Source: CONFIRM
Type: UNKNOWN
https://bto.bluecoat.com/security-advisory/sa139

Source: XF
Type: UNKNOWN
ntp-cve20169312-dos(119090)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20161123-ntpd
Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: November 2016

Source: CERT-VN
Type: Third Party Advisory, US Government Resource
VU#633847

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ntp:ntp:*:p8:*:*:*:*:*:* (Version <= 4.2.8)
  • AND
  • cpe:/o:microsoft:windows:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20169312000
    V
    CVE-2016-9312 on Ubuntu 12.04 LTS (precise) - negligible.
    2017-01-13
    oval:com.ubuntu.trusty:def:20169312000
    V
    CVE-2016-9312 on Ubuntu 14.04 LTS (trusty) - negligible.
    2017-01-13
    oval:com.ubuntu.xenial:def:20169312000
    V
    CVE-2016-9312 on Ubuntu 16.04 LTS (xenial) - negligible.
    2017-01-13
    oval:com.ubuntu.xenial:def:201693120000000
    V
    CVE-2016-9312 on Ubuntu 16.04 LTS (xenial) - negligible.
    2017-01-13
    BACK
    ntp ntp * p8
    microsoft windows *