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Mend.io Vulnerability Database

CVE-2016-1547

Date: January 6, 2017

An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.

Severity Score

5.3

Related Resources (20)

Url: https://security.netapp.com/advisory/ntap-20171004-0002/

Url: http://www.talosintelligence.com/reports/TALOS-2016-0081/

Url: http://www.debian.org/security/2016/dsa-3629

Url: https://access.redhat.com/errata/RHSA-2016:1141

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf

Url: http://rhn.redhat.com/errata/RHSA-2016-1552.html

Url: https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc

Url: https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11

Url: https://security-tracker.debian.org/tracker/CVE-2016-1547

Url: http://www.securitytracker.com/id/1035705

Url: https://access.redhat.com/security/cve/CVE-2016-1547

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-1547

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf

Url: https://security.gentoo.org/glsa/201607-15

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-1547

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Url: https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19

Url: http://www.securityfocus.com/bid/88276

Url: http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-1547

Severity Score

5.3

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	LOW

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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CVE-2016-1547

Date: January 6, 2017

Severity Score

Related Resources (20)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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