ntp, ntpdate, sntp security update

CentOS Errata and Security Advisory CESA-2016:2583 An update for ntp is now available for Red Hat Enterprise Linux 7. 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...

Linux ntpd 4.2.8 derive_nonce Stack Overflow

!/usr/bin/perl Linux ntpd 4.2.8 'derivenonce' remote stack overflow PoC Copyright 2016 c Todor Donev [email protected] https://www.ethical-hacker.org/ https://www.facebook.com/ethicalhackerorg http://pastebin.com/u/hackerscommunity Description: The ntpd program is an operating-system daemon...

NTP 4.2.8p3 Denial Of Service

!/usr/bin/env python Exploit Title: ntpd 4.2.8p3 remote DoS Date: 2015-10-21 Bug Discovery: John D "Doug" Birdwell Exploit Author: Magnus Klaaborg Stubman @magnusstubman Website: http://support.ntp.org/bin/view/Main/NtpBug2922 Vendor Homepage: http://www.ntp.org/ Software Link:...

Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: November 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 ...

ntpd Denial of Service Vulnerability (CNVD-2016-11431)

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

ntpd Denial of Service Vulnerability (CNVD-2016-11426)

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

Exploitable Configuration Modification Vulnerability in ntpd Control Mode (Mode 6) Functionality

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

Local Denial of Service Vulnerability in ntpd

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

ntpd broadcast mode replay defense denial of service vulnerability

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

NULL pointer reference denial of service vulnerability in ntpd

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

NTP DoS Exploit Released — Update Your Servers to Patch 10 Flaws

A proof-of-concept PoC exploit for a critical vulnerability in the Network Time Protocol daemon ntpd has been publically released that could allow anyone to crash a server with just a single maliciously crafted packet. The vulnerability has been patched by the Network Time Foundation with the...

Network Time Protocol Trap Crash Denial of Service Vulnerability

Summary An exploitable denial of service vulnerability exists in the trap functionality of ntpd. If an ntpd instance is configured to send traps, a specially crafted network packet can be used to cause a null pointer dereference resulting in a denial of service. This vulnerability can be triggere...

Vulnerabilities Identified in Network Time Protocol Daemon (ntpd)

The Network Time Foundation's NTP Project has released version ntp-4.2.8p9 to address multiple vulnerabilities in ntpd. Exploitation of some of these vulnerabilities may allow a remote attacker to cause a denial-of-service condition. US-CERT encourages users and administrators to review...

ntpd zero origin timestamp bypass vulnerability

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

Denial of service vulnerability in ntpd

Network Time Protocol NTP is a protocol used to synchronize a computer's time to its server or clock source e.g., quartz clock, GPS, etc.. Synchronizing a computer's clock to UTC ensures that data interactions in a network can proceed smoothly.NTPD Network Time Protocol daemon is an operating...

ntp -- multiple vulnerabilities

Network Time Foundation reports: NTF's NTP Project is releasing ntp-4.2.8p9, which addresses: 1 HIGH severity vulnerability that only affects Windows 2 MEDIUM severity vulnerabilities 2 MEDIUM/LOW severity vulnerabilities 5 LOW severity vulnerabilities 28 other non-security fixes and improvements...

RedHat Update for ntp RHSA-2016:2583-02

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...

RHEL 7 : ntp (RHSA-2016:2583)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2016:2583 advisory. The Network Time Protocol NTP is used to synchronize a computer's time with another referenced time source. These packages include the ntpd...

Moderate: Red Hat Security Advisory: ntp security and bug fix update

An update for ntp is now available for Red Hat Enterprise Linux 7. 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 rating, is available for each vulnerability from the CV...

ntp: restriction list NULL pointer dereference

A NULL pointer dereference flaw was found in the way ntpd processed 'ntpdc reslist' commands that queried restriction lists with a large amount of entries. A remote attacker could potentially use this flaw to crash ntpd...