Vulnerability Name:

CVE-2015-5195

Assigned:2015-08-25
Published:2015-08-25
Updated:2018-05-17
Summary:ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command that is not enabled during compilation.
CVSS v3 Severity:7.5 High (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3 Vector: CVSS:3.0/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
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: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
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
4.0 Medium (REDHAT CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-20
References:Source: FEDORA
Type: VENDOR_ADVISORY
FEDORA-2015-77bfbc1bcd

Source: FEDORA
Type: VENDOR_ADVISORY
FEDORA-2015-14212

Source: FEDORA
Type: VENDOR_ADVISORY
FEDORA-2015-14213

Source: REDHAT
Type: VENDOR_ADVISORY
RHSA-2016:0780

Source: REDHAT
Type: VENDOR_ADVISORY
RHSA-2016:2583

Source: DEBIAN
Type: VENDOR_ADVISORY
DSA-3388

Source: MLIST
Type: VENDOR_ADVISORY
[oss-security] 20150825 Several low impact ntp.org ntpd issues

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

Source: BID
Type: VENDOR_ADVISORY
76474

Source: UBUNTU
Type: VENDOR_ADVISORY
USN-2783-1

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=1254544

Source: XF
Type: UNKNOWN
ntp-cve20155195-dos(107596)

Source: CONFIRM
Type: VENDOR_ADVISORY
https://github.com/ntp-project/ntp/commit/52e977d79a0c4ace997e5c74af429844da2f27be

Source: CONFIRM
Type: VENDOR_ADVISORY
https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157

Source: CONFIRM
Type: VENDOR_ADVISORY
https://www-01.ibm.com/support/docview.wss?uid=swg21985122

Source: CONFIRM
Type: VENDOR_ADVISORY
https://www-01.ibm.com/support/docview.wss?uid=swg21986956

Source: CONFIRM
Type: VENDOR_ADVISORY
https://www-01.ibm.com/support/docview.wss?uid=swg21988706

Source: CONFIRM
Type: VENDOR_ADVISORY
https://www-01.ibm.com/support/docview.wss?uid=swg21989542

Vulnerable Configuration:Configuration 1:
  • cpe:/o:fedoraproject:fedora:21:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:22:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:23:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:canonical:ubuntu_linux:12.04::~~lts~~~:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*

  • Configuration 5:
  • cpe:/a:ntp:ntp:4.2.7:p111:*:*:*:*:*:*

  • 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:com.ubuntu.trusty:def:20155195000
    V
    CVE-2015-5195 on Ubuntu 14.04 LTS (trusty) - negligible.
    2017-07-21
    oval:com.redhat.rhsa:def:20162583
    P
    RHSA-2016:2583: ntp security and bug fix update (Moderate)
    2016-11-03
    oval:com.redhat.rhsa:def:20160780
    P
    RHSA-2016:0780: ntp security and bug fix update (Moderate)
    2016-05-10
    oval:org.cisecurity:def:304
    P
    DSA-3388-1 ntp -- security update
    2016-02-08
    oval:com.ubuntu.precise:def:20155195000
    V
    CVE-2015-5195 on Ubuntu 12.04 LTS (precise) - negligible.
    2015-08-25
    BACK
    fedoraproject fedora 21
    fedoraproject fedora 22
    fedoraproject fedora 23
    redhat enterprise linux desktop 6.0
    redhat enterprise linux desktop 7.0
    redhat enterprise linux hpc node 6.0
    redhat enterprise linux hpc node 7.0
    redhat enterprise linux server 6.0
    redhat enterprise linux server 7.0
    redhat enterprise linux workstation 6.0
    redhat enterprise linux workstation 7.0
    debian debian linux 7.0
    debian debian linux 8.0
    canonical ubuntu linux 12.04
    canonical ubuntu linux 14.04
    canonical ubuntu linux 15.04
    canonical ubuntu linux 15.10
    ntp ntp 4.2.7 p111