FreeBSD-SA-16:39.ntp

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-16:39.ntp Security Advisory The FreeBSD Project Topic: Multiple vulnerabilities of ntp Category: contrib Module: ntp Announced: 2016-12-22 Credits: Network Time...

[SECURITY] [DLA 742-1] chrony security update

Package : chrony Version : 1.24-3.1+deb7u4 CVE ID : CVE-2016-1567 Debian Bug : 812923 568492 It was discovered that Chrony, a versatile implementation of the Network Time Protocol, did not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers t...

DLA-742-1 chrony - security update

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DEBIAN-CVE-2016-6301

The recvandprocessclientpkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service CPU and bandwidth consumption via a forged NTP packet, which triggers a communication loop...

ALPINE-CVE-2016-6301

The recvandprocessclientpkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service CPU and bandwidth consumption via a forged NTP packet, which triggers a communication loop...

[SECURITY] Fedora 23 Update: ntp-4.2.6p5-43.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...

[SECURITY] Fedora 24 Update: ntp-4.2.6p5-43.fc24

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...

Linux ntpd 4.2.8 derive_nonce Stack Overflow Exploit

Linux ntpd 4.2.8 derivenonce remote stack overflow proof of concept exploit. !/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...

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...

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:...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...