Vulnerability Name:

CVE-2016-2518

Assigned:2016-04-26
Published:2016-04-26
Updated:2018-05-17
Summary:The MATCH_ASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value.
CVSS v3 Severity:5.3 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/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): Low
2.0 Low (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L)
1.8 Low (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
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): Low
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
1.7 Low (CCN CVSS v2 Vector: AV:N/AC:H/Au:M/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Multiple_Instances
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
2.1 Low (REDHAT CVSS v2 Vector: AV:N/AC:H/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-125
References:Source: REDHAT
Type: UNKNOWN
RHSA-2016:1552

Source: CONFIRM
Type: VENDOR_ADVISORY
http://support.ntp.org/bin/view/Main/NtpBug3009

Source: CONFIRM
Type: VENDOR_ADVISORY
http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_ntp_4_2_8p7_Security

Source: DEBIAN
Type: UNKNOWN
DSA-3629

Source: CONFIRM
Type: UNKNOWN
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html

Source: CONFIRM
Type: VENDOR_ADVISORY
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Source: CONFIRM
Type: UNKNOWN
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Source: BID
Type: VENDOR_ADVISORY
88226

Source: SECTRACK
Type: UNKNOWN
1035705

Source: REDHAT
Type: UNKNOWN
RHSA-2016:1141

Source: XF
Type: UNKNOWN
ntp-cve20162518-dos(112746)

Source: FREEBSD
Type: UNKNOWN
FreeBSD-SA-16:16

Source: GENTOO
Type: UNKNOWN
GLSA-201607-15

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20171004-0002/

Source: CERT-VN
Type: VENDOR_ADVISORY
VU#718152

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ntp:ntp:4.2.8:p8:*:*:*:*:*:*

  • Configuration 2:
  • 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:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:6:*:*:*:*:*:*:*

  • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20162518
    V
    CVE-2016-2518
    2018-05-20
    oval:com.ubuntu.precise:def:20162518000
    V
    CVE-2016-2518 on Ubuntu 12.04 LTS (precise) - low.
    2017-01-30
    oval:com.ubuntu.trusty:def:20162518000
    V
    CVE-2016-2518 on Ubuntu 14.04 LTS (trusty) - low.
    2017-01-30
    oval:com.ubuntu.xenial:def:20162518000
    V
    CVE-2016-2518 on Ubuntu 16.04 LTS (xenial) - low.
    2017-01-30
    oval:org.cisecurity:def:1507
    V
    Vulnerabilities in NTP affect AIX
    2017-01-06
    oval:org.cisecurity:def:1015
    P
    DSA-3629-1 -- ntp -- security update
    2016-09-16
    oval:com.redhat.rhsa:def:20161141
    P
    RHSA-2016:1141: ntp security update (Moderate)
    2016-05-31
    BACK
    ntp ntp 4.2.8 p8
    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