CVE-2016-1548

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General

Score:6.4/10.0
Severity:Medium
Category:Input Validation Error

Impact Metrics

Confidentiality:None
Integrity:Partial
Availability:Partial

Exploitability Metrics

Access Vector:Network
Access Complexity:Low
Authentication:None

Relative vulnerabilities

CVE-2013-5211, CVE-2015-1798, CVE-2015-1799, CVE-2015-5194, CVE-2015-5195, CVE-2015-5219, CVE-2015-5300, CVE-2015-7691, CVE-2015-7692, CVE-2015-7701, CVE-2015-7702, CVE-2015-7703, CVE-2015-7704, CVE-2015-7705, CVE-2015-7848, CVE-2015-7849, CVE-2015-7850, CVE-2015-7851, CVE-2015-7852, CVE-2015-7853, CVE-2015-7854, CVE-2015-7855, CVE-2015-7871, CVE-2015-7973, CVE-2015-7974, CVE-2015-7975, CVE-2015-7976, CVE-2015-7977, CVE-2015-7978, CVE-2015-7979, CVE-2015-8138, CVE-2015-8158, CVE-2016-0727, CVE-2016-1547, CVE-2016-1549, CVE-2016-1550, CVE-2016-1551, CVE-2016-2516, CVE-2016-2517, CVE-2016-2518, CVE-2016-2519, CVE-2016-4953, CVE-2016-4954, CVE-2016-4955, CVE-2016-4956, CVE-2016-4957, CVE-2016-7426, CVE-2016-7429, CVE-2016-7433, CVE-2016-9310, CVE-2016-9311, CVE-2017-6462, CVE-2017-6463, CVE-2017-6464

Published on 06/01/17 - Updated on 05/01/18

Description

An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer->dst timestamp recorded for that server. After making this switch, the client in NTP 4.2.8p4 and earlier and NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c will reject all future legitimate server responses. It is possible to force the victim client to move time after the mode has been changed. ntpq gives no indication that the mode has been switched.

Category: Input Validation Error

CWE-19 (Data Handling)
Weaknesses in this category are typically found in functionality that processes data.

Security Notices

US National Vulnerability DatabaseCVE-2016-1548
Amazon Linux ALAS-2016-708
Agence Nationale de la Sécurité des Systèmes d'Information CERTFR-2016-AVI-153, CERTFR-2017-AVI-365
CentOS CESA-2016:1141
Debian DSA-3629-1
Debian LTSDLA-559-1
Oracle Linux ELSA-2016-1141, ELSA-2016-2583, ELSA-2017-3071
Redhat RHSA-2016:1141, RHSA-2016:1552
Renater 2016/VULN183
SUSE SUSE-SU-2016:1278, SUSE-SU-2016:1291, SUSE-SU-2016:1471, SUSE-SU-2016:1568, SUSE-SU-2016:1912
Ubuntu USN-3096-1

Exploits

No exploits available for this CVE in our database.

Relative technologies

VendorProduct
ntpntp

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