FreeBSD -- Multiple ntp vulnerabilities

Problem Description: Multiple vulnerabilities have been discovered in the NTP suite: The fix for Sec 3007 in ntp-4.2.8p7 contained a bug that could cause ntpd to crash. CVE-2016-4957, Reported by Nicolas Edet of Cisco An attacker who knows the origin timestamp and can send a spoofed packet...

Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016

Multiple Cisco products incorporate a version of the Network Time Protocol daemon ntpd package. Versions of this package are affected by one or more vulnerabilities that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition or modify the time being advertised ...

NTP Patches Flaws That Enable DDoS

The network time protocol, at the center of a number of high-profile DDoS attacks in 2014, was updated on Thursday to ntp-4.2.8p8. The latest version includes patches for five vulnerabilities, including one rated high-severity. NTP, specifically the NTP daemon, synchronizes system clocks with tim...

NTP.org 'ntpd' Multiple Vulnerabilities (Jun 2016)

NTP.org SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:ntp:ntp"; ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.106092";...

F5 Networks BIG-IP : NTP vulnerability (K17528)

ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service infinite loop or crash by pointing the key file at the log file. CVE-2015-7850 Impact Under certain specific conditions, an attacker can send a set of packets to ntpd that will...

Vulnerabilities Identified in Network Time Protocol Daemon (ntpd)

The Network Time Foundation's NTP Project has released version ntp-4.2.8p8 to address multiple vulnerabilities in ntpd. Exploitation of one of these vulnerabilities may allow a remote attacker to cause a denial-of-service condition. Users and administrators are encouraged to review Vulnerability...

SOL63675293 - NTP vulnerability CVE-2016-1548

Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be not vulnerable column. If the table lists only an older version than what you are...

NTP.org 'ntpd' Zero Origin Timestamp Regression Vulnerability (Nov 2016)

NTP.org SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:ntp:ntp"; ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.106406";...

CentOS Update for ntp CESA-2016:1141 centos6

Check the version of ntp SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.882500";...

CentOS Update for ntp CESA-2016:1141 centos7

Check the version of ntp SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.882495";...

NTP.org 'ntpd' 4.2.5p203 - 4.2.8p8, 4.3.0 - 4.3.93 DoS Vulnerability (Nov 2016)

NTP.org SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:ntp:ntp"; ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.106409";...

RedHat Update for ntp RHSA-2016:1141-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2016-4956

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service interleaved-mode transition and time change via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548. Mitigation Do not use NTPs broadcast mode in the clients ...

CVE-2016-4955

ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service peer-variable clearing and association outage by sending 1 a spoofed crypto-NAK packet or 2 a packet with an incorrect MAC value at a certain time. Mitigation Disable autokey...

CVE-2016-4954

The processpacket function in ntpproto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service peer-variable modification by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication...

CVE-2016-4953

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service ephemeral-association demobilization by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time...

NTP.org ntpd is vulnerable to denial of service and other vulnerabilities

Overview NTP.org's reference implementation of NTP server, ntpd, contains multiple vulnerabilities. Description NTP.org's reference implementation of NTP server, ntpd, contains multiple vulnerabilities. A brief overview follows, but details may be found in NTP's security advisory listing and in t...

Medium: ntp

Issue Overview: It was found that an ntpd client could be forced to change from basic client/server mode to the interleaved symmetric mode. A remote attacker could use a spoofed packet that, when processed by an ntpd client, would cause that client to reject all future legitimate server responses...

SUSE-SU-2016:1471-1 Security update for ntp

This update for ntp fixes the following issues: - Separate the creation of ntp.keys and key 1 in it to avoid problems when upgrading installations that have the file, but no key 1, which is needed e.g. by 'rcntp addserver'. - Update to 4.2.8p7 bsc977446: CVE-2016-1547, bsc977459: Validate...

openSUSE Security Update : ntp (openSUSE-2016-649)

This update for ntp fixes the following issues : - Update to 4.2.8p7 boo977446 : - CVE-2016-1547, boo977459: Validate crypto-NAKs, AKA: CRYPTO-NAK DoS. - CVE-2016-1548, boo977461: Interleave-pivot - CVE-2016-1549, boo977451: Sybil vulnerability: ephemeral association attack. - CVE-2016-1550,...