Vulnerability Name:

CVE-2017-6455 (CCN-123613)

Assigned:2017-03-21
Published:2017-03-21
Updated:2017-10-24
Summary:NTP before 4.2.8p10 and 4.3.x before 4.3.94, when using PPSAPI, allows local users to gain privileges via a DLL in the PPSAPI_DLLS environment variable.
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
3.7 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:M/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Multiple_Instances
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-94
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-6455

Source: CONFIRM
Type: Patch, Vendor Advisory
http://support.ntp.org/bin/view/Main/NtpBug3384

Source: CCN
Type: NTP web site
March 2017 ntp-4.2.8p10 NTP Security Vulnerability Announcement

Source: CONFIRM
Type: Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu

Source: BID
Type: Third Party Advisory, VDB Entry
97074

Source: CCN
Type: BID-97074
NTP CVE-2017-6455 Local Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1038123

Source: SECTRACK
Type: UNKNOWN
1039427

Source: XF
Type: UNKNOWN
ntp-cve20176455-dos(123613)

Source: CCN
Type: Apple security document HT208144
About the security content of macOS High Sierra 10.13

Source: CONFIRM
Type: UNKNOWN
https://support.apple.com/HT208144

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ntp:ntp:4.2.8:p9:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.2:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.3:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.4:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.5:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.6:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.7:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.8:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.9:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.10:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.11:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.12:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.13:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.14:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.15:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.16:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.17:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.18:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.19:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.20:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.21:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.22:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.23:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.24:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.25:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.26:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.27:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.28:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.29:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.30:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.31:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.32:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.33:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.34:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.35:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.36:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.37:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.38:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.39:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.40:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.41:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.42:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.43:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.44:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.45:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.46:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.47:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.48:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.49:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.50:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.51:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.52:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.53:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.54:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.55:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.56:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.57:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.58:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.59:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.60:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.61:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.62:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.63:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.64:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.65:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.66:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.67:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.68:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.69:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.70:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.71:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.72:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.73:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.74:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.75:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.76:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.77:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.78:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.79:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.80:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.81:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.82:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.83:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.84:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.85:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.86:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.87:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.88:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.89:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.90:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.91:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.92:*:*:*:*:*:*:*
  • OR cpe:/a:ntp:ntp:4.3.93:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20176455000
    V
    		CVE-2017-6455 on Ubuntu 12.04 LTS (precise) - medium.
    2017-03-27
    oval:com.ubuntu.trusty:def:20176455000
    V
    		CVE-2017-6455 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-03-27
    oval:com.ubuntu.xenial:def:20176455000
    V
    		CVE-2017-6455 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-27
    oval:com.ubuntu.xenial:def:201764550000000
    V
    		CVE-2017-6455 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-03-27
    BACK
    ntp ntp 4.2.8 p9
    ntp ntp 4.3.0
    ntp ntp 4.3.1
    ntp ntp 4.3.2
    ntp ntp 4.3.3
    ntp ntp 4.3.4
    ntp ntp 4.3.5
    ntp ntp 4.3.6
    ntp ntp 4.3.7
    ntp ntp 4.3.8
    ntp ntp 4.3.9
    ntp ntp 4.3.10
    ntp ntp 4.3.11
    ntp ntp 4.3.12
    ntp ntp 4.3.13
    ntp ntp 4.3.14
    ntp ntp 4.3.15
    ntp ntp 4.3.16
    ntp ntp 4.3.17
    ntp ntp 4.3.18
    ntp ntp 4.3.19
    ntp ntp 4.3.20
    ntp ntp 4.3.21
    ntp ntp 4.3.22
    ntp ntp 4.3.23
    ntp ntp 4.3.24
    ntp ntp 4.3.25
    ntp ntp 4.3.26
    ntp ntp 4.3.27
    ntp ntp 4.3.28
    ntp ntp 4.3.29
    ntp ntp 4.3.30
    ntp ntp 4.3.31
    ntp ntp 4.3.32
    ntp ntp 4.3.33
    ntp ntp 4.3.34
    ntp ntp 4.3.35
    ntp ntp 4.3.36
    ntp ntp 4.3.37
    ntp ntp 4.3.38
    ntp ntp 4.3.39
    ntp ntp 4.3.40
    ntp ntp 4.3.41
    ntp ntp 4.3.42
    ntp ntp 4.3.43
    ntp ntp 4.3.44
    ntp ntp 4.3.45
    ntp ntp 4.3.46
    ntp ntp 4.3.47
    ntp ntp 4.3.48
    ntp ntp 4.3.49
    ntp ntp 4.3.50
    ntp ntp 4.3.51
    ntp ntp 4.3.52
    ntp ntp 4.3.53
    ntp ntp 4.3.54
    ntp ntp 4.3.55
    ntp ntp 4.3.56
    ntp ntp 4.3.57
    ntp ntp 4.3.58
    ntp ntp 4.3.59
    ntp ntp 4.3.60
    ntp ntp 4.3.61
    ntp ntp 4.3.62
    ntp ntp 4.3.63
    ntp ntp 4.3.64
    ntp ntp 4.3.65
    ntp ntp 4.3.66
    ntp ntp 4.3.67
    ntp ntp 4.3.68
    ntp ntp 4.3.69
    ntp ntp 4.3.70
    ntp ntp 4.3.71
    ntp ntp 4.3.72
    ntp ntp 4.3.73
    ntp ntp 4.3.74
    ntp ntp 4.3.75
    ntp ntp 4.3.76
    ntp ntp 4.3.77
    ntp ntp 4.3.78
    ntp ntp 4.3.79
    ntp ntp 4.3.80
    ntp ntp 4.3.81
    ntp ntp 4.3.82
    ntp ntp 4.3.83
    ntp ntp 4.3.84
    ntp ntp 4.3.85
    ntp ntp 4.3.86
    ntp ntp 4.3.87
    ntp ntp 4.3.88
    ntp ntp 4.3.89
    ntp ntp 4.3.90
    ntp ntp 4.3.91
    ntp ntp 4.3.92
    ntp ntp 4.3.93