CVE-2016-7429 : NTP before 4.2.8p9 changes the peer structure to the interface it receives the r

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

Published 2017-01-13 16:59:00

Updated 2018-01-05 02:31:15

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2016-7429

NTP » NTP » Update P8
Versions up to, including, (<=) 4.2.8
cpe:2.3:a:ntp:ntp:*:p8:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-7429

EPSS FAQ

1.92%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 88 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-7429

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
3.7	LOW	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L	2.2	1.4	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low

CWE ids for CVE-2016-7429

CWE-18

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-7429

http://support.ntp.org/bin/view/Main/NtpBug3072

NtpBug3072 < Main < NTP
Issue Tracking;Mitigation;Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0252.html

RHSA-2017:0252 - Security Advisory - Red Hat Customer Portal

CVEs referencing this url
http://www.securityfocus.com/bid/94453

NTP CVE-2016-7429 Local Denial of Service Vulnerability
http://nwtime.org/ntp428p9_release/

Network Time Foundation Publishes NTP 4.2.8p9 Security Release
Release Notes;Vendor Advisory

CVEs referencing this url
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

Oracle Critical Patch Update - October 2017

CVEs referencing this url
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us

HPESBUX03706 rev.1 - HP-UX NTP service running ntpd, Multiple Vulnerabilities

CVEs referencing this url
https://bto.bluecoat.com/security-advisory/sa139

SA139 : November 2016 NTP Security Vulnerabilities

CVEs referencing this url
https://www.kb.cert.org/vuls/id/633847

VU#633847 - NTP.org ntpd contains multiple denial of service vulnerabilities
Third Party Advisory;US Government Resource

CVEs referencing this url
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities

SecurityNotice < Main < NTP
Vendor Advisory

CVEs referencing this url
http://www.securitytracker.com/id/1037354

ntp Multiple Bugs Let Remote Users Cause the Target Service to Crash - SecurityTracker

CVEs referencing this url

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Vulnerability Details : CVE-2016-7429

Products affected by CVE-2016-7429

Exploit prediction scoring system (EPSS) score for CVE-2016-7429

CVSS scores for CVE-2016-7429

CWE ids for CVE-2016-7429

References for CVE-2016-7429