39 matches found
Anatomy of a DDoS amplification attack
Amplification attacks are one of the most common distributed denial of service DDoS attack vectors. These attacks are typically categorized as flooding or volumetric attacks, where the attacker succeeds in generating more traffic than the target can process, resulting in exhausting its resources...
Anatomy of a DDoS amplification attack
Amplification attacks are one of the most common distributed denial of service DDoS attack vectors. These attacks are typically categorized as flooding or volumetric attacks, where the attacker succeeds in generating more traffic than the target can process, resulting in exhausting its resources...
The “PhoneHome” DDoS Attack — Everything You Need to Know
A vulnerability in enterprise collaboration suite MiCollab by telecommunications company Mitel has been abused for distributed denial-of-service DDoS attacks with record-breaking amplification potential...
Exploit for Incorrect Default Permissions in Ui Unifi_Controller
This is a PoC exploit for CVE-2020-12695, a vulnerability in the CallStranger protocol. The exploit is implemented in Python and uses the upnpy library for UPnP communication. The script is designed to simulate data exfiltration, bypassing DLP Data Loss Prevention systems, and can also be used to...
Huawei EulerOS: Security Advisory for ntp (EulerOS-SA-2017-1023)
The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...
NewStart CGSL MAIN 4.05 : ntp Multiple Vulnerabilities (NS-SA-2019-0114)
The remote NewStart CGSL host, running version MAIN 4.05, has ntp packages installed that are affected by multiple vulnerabilities: - It was found that when ntp is configured with rate limiting for all associations the limits are also applied to responses received from its configured sources. A...
Cryptomining is all the rage among hackers, as DDoS amplification attacks continue
In this week’s InfoSec news review we’ll dive into cryptomining, get the latest on DDoS amplification, go over recent data breaches, and check out another vendor claiming it can crack iPhones. I, me, mine The freight train that’s cryptomining shows no sign of slowing down, and the cyber security...
Our Exposed World – Old exposures, new attacks
Natasha Hellberg, Senior Threat Researcher FTR With assistance from William Gamazo Sanchez, DSLabs Within the last few days a new player has been introduced into the distribute denial of service DDoS amplification attack world and with it brings the potential for much larger DDoS attacks than wha...
Network Time Protocol Control Mode Unauthenticated Trap Information Disclosure and DDoS Amplification Vulnerability(CVE-2016-9310)
Summary An exploitable configuration modification vulnerability exists in the control mode mode 6 functionality of ntpd. A specially crafted control mode packet can set ntpd traps, providing information disclosure and DDoS amplification, and unset ntpd traps, preventing legitimate monitoring. A...
EulerOS 2.0 SP2 : ntp (EulerOS-SA-2017-1024)
According to the versions of the ntp packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - It was found that when ntp is configured with rate limiting for all associations the limits are also applied to responses received from its...
EulerOS 2.0 SP1 : ntp (EulerOS-SA-2017-1023)
According to the versions of the ntp packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - It was found that when ntp is configured with rate limiting for all associations the limits are also applied to responses received from its...
CentOS Update for ntp CESA-2017:0252 centos6
Check the version of ntp SPDX-FileCopyrightText: 2017 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"1.3.6.1.4.1.25623.1.0.882654";...
Moderate: Red Hat Security Advisory: ntp security update
An update for ntp is now available for Red Hat Enterprise Linux 6 and 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...
Updated ntp packages fix security vulnerabilities
When ntpd is configured with rate limiting for all associations restrict default limited in ntp.conf, the limits are applied also to responses received from its configured sources. An attacker who knows the sources e.g., from an IPv4 refid in server response and knows the system is misconfigured ...
Network Time Protocol Control Mode Unauthenticated Trap Information Disclosure and DDoS Amplification Vulnerability
Summary An exploitable configuration modification vulnerability exists in the control mode mode 6 functionality of ntpd. A specially crafted control mode packet can set ntpd traps, providing information disclosure and DDoS amplification, and unset ntpd traps, preventing legitimate monitoring. A...
ntp: distributed denial of service amplification
CVE-2016-4953 distributed denial of service amplification An attacker who knows the origin timestamp and can send a spoofed packet containing a CRYPTO-NAK to an ephemeral peer target before any other response is sent can demobilize that association. Credit to Miroslav Lichvar of Red Hat -...
Internet Root Name Servers DDoS Attack
An unusual DDoS amplification attack was carried out 10 days ago against many of the Internet’s 13 root name servers, the authoritative servers used to resolve IP addresses. The attacks happened on Nov. 30 and again on Dec. 1, and each time, massive volumes of traffic, peaking at five million...
Multicast DNS Vulnerability Could Lead to DDOS Amplification
The Department of Homeland Security sponsored CERT at Carnegie Mellon University on Tuesday released an advisory warning infrastructure providers of a vulnerability in Multicast DNS, or mDNS, that could leak device information that could be leveraged in high volume DDoS amplification attacks. “I...
NTP ntpd monlist Query Reflection - Denial of Service
Exploit for linux platform in category dos / poc / Exploit Title: CVE-2013-5211 PoC - NTP DDoS amplification Date: 28/04/2014 Code Author: Danilo PC - CVE : CVE-2013-5211 / / I coded this program to help other to understand how an DDoS attack amplified by NTP servers works CVE-2013-5211 I took of...