NTP Amplification Flaw To Blame For Gaming DDoS Attacks

US-CERT has issued an advisory that warns enterprises about distributed denial of service attacks flooding networks with massive amounts of UDP traffic using publicly available network time protocol NTP servers. Known as NTP amplification attacks, hackers are exploiting something known as the...

TA14-013A: NTP Amplification Attacks Using CVE-2013-5211

NCCIC / US-CERT National Cyber Awareness System: TA14-013A: NTP Amplification Attacks Using CVE-2013-5211 01/13/2014 05:51 PM EST Original release date: January 13, 2014 | Last revised: January 14, 2014 Systems Affected NTP servers Overview A Network Time Protocol NTP Amplification attack is an...

ntp traffic amplification

monlist ntp feature is used in-the-wild for traffic amplification...

FreeBSD-SA-14:02.ntpd

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-14:02.ntpd Security Advisory The FreeBSD Project Topic: ntpd distributed reflection Denial of Service vulnerability Category: contrib Module: ntpd Announced:...

Network Time Foundation ntpd Service Network Traffic Amplification Issue

A vulnerability in the Network Time Protocol NTP package of several Cisco products could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to processing MODEPRIVATE Mode 7 NTP control messages, which have a large...

NTP Monlist Feature Enabled

NTP.org SPDX-FileCopyrightText: 2014 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"1.3.6.1.4.1.25623.1.0.103868";...

CVE-2013-5211

The monlist feature in ntprequest.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service traffic amplification via forged 1 REQMONGETLIST or 2 REQMONGETLIST1 requests, as exploited in the wild in December 2013...

CVE-2013-5211

The monlist feature in ntprequest.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service traffic amplification via forged 1 REQMONGETLIST or 2 REQMONGETLIST1 requests, as exploited in the wild in December 2013...

Security feature bypass

The monlist feature in ntprequest.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service traffic amplification via forged 1 REQMONGETLIST or 2 REQMONGETLIST1 requests, as exploited in the wild in December 2013...

CVE-2013-5211

The monlist feature in ntprequest.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service traffic amplification via forged 1 REQMONGETLIST or 2 REQMONGETLIST1 requests, as exploited in the wild in December 2013...

CVE-2013-5211

CVE-2013-5211 affects ntpd’s monlist functionality. ntpd before 4.2.7p26 allows remote attackers to cause a DoS via forged REQ_MON_GETLIST and REQ_MON_GETLIST_1 requests (traffic amplification). Public advisories confirm exploitation in the wild and recommend upgrading ntp to 4.2.7p26 or newer (e...

VulnCheck KEV: CVE-2013-5211

The monlist feature in ntprequest.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service traffic amplification via forged 1 REQMONGETLIST or 2 REQMONGETLIST1 requests, as exploited in the wild in December 2013...

ntpd DRDoS / Amplification Attack using ntpdc monlist command

ntp.org reports: Unrestricted access to the monlist feature in ntprequest.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service traffic amplification via forged 1 REQMONGETLIST or 2 REQMONGETLIST1 requests, as exploited in the wild in December 2013 Use noquery to...

World's 3rd Largest Chinese Bitcoin exchange hit by 100Gbps DDoS attack

In March of this year, we saw the first ever 300 Gigabit DDoS attack, which was possible due to a DNS Reflection Amplification attack against Spamhaus. On 24 September World's 3rd Largest Bitcoin exchange BTC China, a platform where both Bitcoin and Chinese yuan are traded faced massive DDoS atta...

JVN#62507275: Multiple broadband routers may behave as open resolvers

A device that runs as a DNS cache server, which responds to any recursive DNS queries that are received is referred to as an open resolver. Multiple broadband routers may contain an issue where they may behave as open resolvers. Impact The device may be used in a DNS amplification attack and...

Massive 167Gbps DDoS attacks against Banking and Financial Institutions

DDoS attackers attempted to bring down an Banking services earlier this week using one of the largest Distributed denial of service attack using DNS reflection technique. Prolexic, the global leader in Distributed Denial of Service DDoS protection services, announced that it has successfully...

Massive 167Gbps DDoS attacks against Banking and Financial Institutions

DDoS attackers attempted to bring down an Banking services earlier this week using one of the largest Distributed denial of service attack using DNS reflection technique. Prolexic, the global leader in Distributed Denial of Service DDoS protection services, announced that it has successfully...

DNS Amplification Attacks (UDP) - Active Check

A misconfigured Domain Name System DNS server can be exploited to participate in a Distributed Denial of Service DDoS attack. SPDX-FileCopyrightText: 2013 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

Millions of WordPress sites exploitable for DDoS Attacks using Pingback mechanism

Distributed Denial of Service attacks have increased in scale, intensity and frequency. The wide range of motives for these attacks political , criminal, or social makes every merchant or organization with an online presence a potential target. Over the weekend Incapsula mitigated a unique DDoS...

Who Needs a Botnet when you have a 4 Gbps DDoS Cannon?

In recent months the DDoS world has shifted from complex small scale Botnet attacks to much larger network based DDoS attacks, perpetrated largely by hijacked web servers. How many of these hijacked servers are out there remains to be seen. However, Incapsula recently got a very good idea of just...