ntp, ntpdate security update

CentOS Errata and Security Advisory CESA-2016:0780 An update for ntp is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Updated ntp packages fix security vulnerabilities

Updated ntp packages fix security vulnerabilities: It is possible to change the time of an ntpd client or deny service to an ntpd client by forcing it to change from basic client/server mode to interleaved symmetric mode. An attacker can spoof a packet from a legitimate ntpd server with an origin...

openSUSE Security Update : ntp (openSUSE-2016-578)

ntp was updated to version 4.2.8p6 to fix 12 security issues. Also yast2-ntp-client was updated to match some sntp syntax changes. bsc937837 These security issues were fixed : - CVE-2015-8158: Fixed potential infinite loop in ntpq bsc962966. - CVE-2015-8138: Zero Origin Timestamp Bypass bsc963002...

Multiple Vulnerabilities in ntpd (April 2015) Affecting Cisco Products (cisco-sa-20150408-ntpd)

Multiple Cisco products incorporate a version of the ntpd package. Versions of this package are affected by one or more vulnerabilities that could allow an unauthenticated, remote attacker to bypass authentication controls or to create a denial of service DoS condition. On April 7, 2015, NTP.org...

SUSE SLED12 / SLES12 Security Update : ntp (SUSE-SU-2016:1247-1)

ntp was updated to version 4.2.8p6 to fix 28 security issues. Major functional changes : - The 'sntp' commandline tool changed its option handling in a major way, some options have been renamed or dropped. - 'controlkey 1' is added during update to ntp.conf to allow sntp to work. - The local cloc...

Multiple Vulnerabilities in ntpd Affecting Cisco Products (Oct 2015)

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

Security Advisory 0019

Security Advisory 0019 PDF Date: April 25th, 2018 Version: 1.1 Revision| Date| Changes ---|---|--- 1.0 | May 3rd, 2016 | Initial release 1.1 | April 25th, 2018 | Updated vulnerability information for CVE-2016-1549 Arista Products vulnerability report for security vulnerabilities announcement from...

NTP.org 'ntpd' Multiple Vulnerabilities (Apr 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"1.3.6.1.4.1.25623.1.0.807567";...

ntpd design flaws

ntpd Network Time Protocol daemon is an operating system daemon that uses the Network Time Protocol NTP to keep synchronized with the system time of a time server. A security vulnerability in ntpd version 4.x prior to 4.2.8p7 and version 4.3 prior to 4.3.92 stems from the program failing to...

Network Time Protocol ntpd Reference Clock Impersonation Vulnerability

SUMMARY ntpd relies on the underlying operating system to protect it from requests that impersonate reference clocks. Because reference clocks are treated like other peers and stored in the same structure, any packet with a source ip address of a reference clock 127.127.1.1 for example that reach...

Network Time Protocol Ephemeral Association Time Spoofing Vulnerability

SUMMARY ntpd is vulnerable to Sybil attacks. A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win ntpd’s clock selection algorithm and modify a victim’s clock. TESTED VERSIONS NTP 4.2.8p3 NTP 4.2.8p4 NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 NTPs...

pfSense Firewall 2.2.6 - Services Cross-Site Request Forgery

pfSense Firewall 2.2.6 - Services Cross-Site Request Forgery Exploit Title: pfSense Firewall Stop NTPD service: Restart NTPD service: POC: input type="submit" value...

F5 Networks BIG-IP : NTP vulnerability (K10600056)

It was found that ntpd did not correctly implement the threshold limitation for the '-g' option, which is used to set the time without any restrictions. CVE-2015-5300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from F5 Networks BIG-IP...

[SECURITY] Fedora 22 Update: ntp-4.2.6p5-36.fc22

The Network Time Protocol NTP is used to synchronize a computer's time with another reference time source. This package includes ntpd a daemon which continuously adjusts system time and utilities used to query and configure the ntpd daemon. Perl scripts ntp-wait and ntptrace are in the ntp-perl...

Ntpd ntp-4.2.6p5 ctl_putdata() Buffer Overflow

/ Ntpd Based on: ntpq client from ntp package Provided for legal security research and testing purposes ONLY PoC DoS Denial of Service PoC. Will crash NTPd. You will need to know the KEY ID and MD5 password, for example put this in you ntp.conf -------------- /etc/ntp.conf -------------- keys...

NTPd ntp-4.2.6p5 - ctl_putdata() Buffer Overflow (PoC)

NTPd ntp-4.2.6p5 - ctlputdata Buffer Overflow PoC / Ntpd Based on: ntpq client from ntp package Provided for legal security research and testing purposes ONLY PoC DoS Denial of Service PoC. Will crash NTPd. You will need to know the KEY ID and MD5 password, for example put this in you ntp.conf...

Ntpd ntp-4.2.6p5 - ctl_putdata() Buffer Overflow

Exploit for linux platform in category dos / poc / Ntpd Based on: ntpq client from ntp package Provided for legal security research and testing purposes ONLY PoC DoS Denial of Service PoC. Will crash NTPd. You will need to know the KEY ID and MD5 password, for example put this in you ntp.conf...

NTPd ntp-4.2.6p5 - 'ctl_putdata()' Buffer Overflow (PoC)

/ Ntpd Based on: ntpq client from ntp package Provided for legal security research and testing purposes ONLY PoC DoS Denial of Service PoC. Will crash NTPd. You will need to know the KEY ID and MD5 password, for example put this in you ntp.conf -------------- /etc/ntp.conf -------------- keys...

Mageia: Security Advisory (MGASA-2016-0039)

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...

[SECURITY] Fedora 23 Update: ntp-4.2.6p5-36.fc23

The Network Time Protocol NTP is used to synchronize a computer's time with another reference time source. This package includes ntpd a daemon which continuously adjusts system time and utilities used to query and configure the ntpd daemon. Perl scripts ntp-wait and ntptrace are in the ntp-perl...