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CVE-2016-1549

Date: January 6, 2017

A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock.

Language: C

Severity Score

Related Resources (13)

https://security.netapp.com/advisory/ntap-20171004-0002/
https://security-tracker.debian.org/tracker/CVE-2016-1549
https://security.gentoo.org/glsa/201607-15
https://nvd.nist.gov/vuln/detail/CVE-2016-1549
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
http://www.talosintelligence.com/reports/TALOS-2016-0083/
https://www.synology.com/support/security/Synology_SA_18_13
https://access.redhat.com/security/cve/CVE-2016-1549
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
http://www.securityfocus.com/bid/88200
http://www.securitytracker.com/id/1035705
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
https://www.mend.io/vulnerability-database/CVE-2016-1549

Severity Score

Weakness Type (CWE)

Data Handling

CWE-19

CVSS v3.1

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

CVSS v2

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

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