Vulnerability Details : CVE-2015-7704
The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2015-7704
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:6.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:6.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:6.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:6.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*
- cpe:2.3:a:mcafee:enterprise_security_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:mcafee:enterprise_security_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.2.0:-:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.5:-:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*
- cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*
- cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:*
- cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:*
- cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-7704
83.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-7704
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2015-7704
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-7704
-
http://support.ntp.org/bin/view/Main/NtpBug2901
NtpBug2901 < Main < NTPVendor Advisory
-
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
HPSBHF03646 rev.1 - HPE Comware 7 (CW7) Network Products running NTP, Multiple Remote VulnerabilitiesThird Party Advisory;VDB Entry
-
https://security.netapp.com/advisory/ntap-20171004-0002/
April 2016 Network Time Protocol Daemon (ntpd) Vulnerabilities in Multiple NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2015-1930.html
RHSA-2015:1930 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://bugs.ntp.org/show_bug.cgi?id=2901
Bug 2901 – Clients that receive a KoD should validate the origin timestamp field.Issue Tracking;Vendor Advisory
-
https://security.gentoo.org/glsa/201607-15
NTP: Multiple vulnerabilities (GLSA 201607-15) — Gentoo securityThird Party Advisory;VDB Entry
-
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Oracle Solaris Bulletin - April 2016Third Party Advisory
-
https://www.arista.com/en/support/advisories-notices/security-advisories/1212-security-advisory-0016
Security Advisory 0016 - Arista
-
http://www.debian.org/security/2015/dsa-3388
Debian -- Security Information -- DSA-3388-1 ntpThird Party Advisory
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
McAfee Security Bulletin - SIEM update fixes multiple vulnerabilities (CVE-2015-7704, CVE-2016-10708, CVE-2018-10858, CVE-2018-11784, CVE-2018-18258, CVE-2019-3628, CVE-2019-3629, CVE-2019-3630, CVE-2Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20171004-0001/
October 2015 Network Time Protocol Daemon (ntpd) Vulnerabilities in Multiple NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://www.securitytracker.com/id/1033951
ntp Multiple Flaws Let Remote Users Deny Service, View Files, and Bypass Authentication to Modify the Time - SecurityTrackerThird Party Advisory;VDB Entry
-
http://rhn.redhat.com/errata/RHSA-2015-2520.html
RHSA-2015:2520 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1271070
1271070 – (CVE-2015-7704) CVE-2015-7704 ntp: disabling synchronization via crafted KoD packetIssue Tracking;Third Party Advisory;VDB Entry
-
https://www.kb.cert.org/vuls/id/718152
VU#718152 - NTP.org ntpd contains multiple vulnerabilitiesThird Party Advisory;US Government Resource
-
https://support.citrix.com/article/CTX220112
Citrix XenServer Multiple Security UpdatesThird Party Advisory
-
http://www.securityfocus.com/bid/77280
Network Time Protocol CVE-2015-7704 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://www.cs.bu.edu/~goldbe/NTPattack.html
Attacking the Network Time ProtocolThird Party Advisory
-
https://eprint.iacr.org/2015/1020.pdf
Technical Description;Third Party Advisory
-
http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit
SecurityNotice < Main < NTPRelease Notes;Vendor Advisory
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