Vulnerability Name:

CVE-2015-7977

Assigned:2015-10-23
Published:2016-01-19
Updated:2018-05-17
Summary:ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.
CVSS v3 Severity:5.9 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/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): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN 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 (CCN 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
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN 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
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.3 Medium (REDHAT CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-476
References:Source: FEDORA
Type: VENDOR_ADVISORY
FEDORA-2016-34bc10a2c8

Source: FEDORA
Type: VENDOR_ADVISORY
FEDORA-2016-8bb1932088

Source: SUSE
Type: VENDOR_ADVISORY
SUSE-SU-2016:1175

Source: SUSE
Type: VENDOR_ADVISORY
SUSE-SU-2016:1177

Source: SUSE
Type: VENDOR_ADVISORY
SUSE-SU-2016:1247

Source: SUSE
Type: VENDOR_ADVISORY
openSUSE-SU-2016:1292

Source: SUSE
Type: VENDOR_ADVISORY
SUSE-SU-2016:1311

Source: SUSE
Type: VENDOR_ADVISORY
SUSE-SU-2016:1912

Source: SUSE
Type: VENDOR_ADVISORY
SUSE-SU-2016:2094

Source: SUSE
Type: VENDOR_ADVISORY
openSUSE-SU-2016:1423

Source: REDHAT
Type: VENDOR_ADVISORY
RHSA-2016:0780

Source: REDHAT
Type: VENDOR_ADVISORY
RHSA-2016:2583

Source: CONFIRM
Type: VENDOR_ADVISORY
http://support.ntp.org/bin/view/Main/NtpBug2939

Source: CONFIRM
Type: VENDOR_ADVISORY
http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security

Source: CISCO
Type: VENDOR_ADVISORY
20160120 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products - January 2016

Source: DEBIAN
Type: VENDOR_ADVISORY
DSA-3629

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

Source: BID
Type: VENDOR_ADVISORY
81815

Source: SECTRACK
Type: VENDOR_ADVISORY
1034782

Source: UBUNTU
Type: VENDOR_ADVISORY
USN-3096-1

Source: CONFIRM
Type: VENDOR_ADVISORY
https://bto.bluecoat.com/security-advisory/sa113

Source: XF
Type: UNKNOWN
ntp-cve20157977-dos(110022)

Source: FREEBSD
Type: UNKNOWN
FreeBSD-SA-16:09

Source: GENTOO
Type: VENDOR_ADVISORY
GLSA-201607-15

Source: CONFIRM
Type: UNKNOWN
https://security.netapp.com/advisory/ntap-20171031-0001/

Source: CERT-VN
Type: VENDOR_ADVISORY
VU#718152

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*
  • 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:4.3.10:*:*:*:*:*:*:*
  • 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:*:*:*:*:*:*:*

  • 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:20157977
    V
    CVE-2015-7977
    2018-08-15
    oval:com.ubuntu.xenial:def:20157977000
    V
    CVE-2015-7977 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-01-30
    oval:com.ubuntu.precise:def:20157977000
    V
    CVE-2015-7977 on Ubuntu 12.04 LTS (precise) - medium.
    2017-01-30
    oval:com.ubuntu.trusty:def:20157977000
    V
    CVE-2015-7977 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-01-30
    oval:com.redhat.rhsa:def:20162583
    P
    RHSA-2016:2583: ntp security and bug fix update (Moderate)
    2016-11-03
    oval:org.cisecurity:def:1015
    P
    DSA-3629-1 -- ntp -- security update
    2016-09-16
    oval:com.redhat.rhsa:def:20160780
    P
    RHSA-2016:0780: ntp security and bug fix update (Moderate)
    2016-05-10
    BACK
    ntp ntp 4.2.8 p5
    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 4.3.10
    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