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...

CVE-2021-38429 OCI OpenDDS Secure Network Amplification

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure...

CVE-2021-38429 OCI OpenDDS Secure Network Amplification

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure...

CVE-2021-38425 eProsima Fast DDS Network Amplification

eProsima Fast DDS versions prior to 2.4.0 2269 are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure...

CVE-2021-38425 eProsima Fast DDS Network Amplification

eProsima Fast DDS versions prior to 2.4.0 2269 are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure...

CVE-2021-43547 TwinOaks Computing CoreDX DDS Secure Network Amplification

TwinOaks Computing CoreDX DDS versions prior to 5.9.1 are susceptible to exploitation when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure...

CVE-2021-38487 Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro

RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure...

CVE-2021-38487 Potential Network Amplification and Information Exposure in RTI Connext Professional and Connext Micro

RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure...

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...

Massive DDoS Attack Knocked Israeli Government Websites Offline

A number of websites belonging to the Israeli government were felled in a distributed denial-of-service DDoS attack on Monday, rendering the portals inaccessible for a short period of time. "In the past few hours, a DDoS attack against a communications provider was identified," the Israel Nationa...

Hackers Abuse Mitel Devices to Amplify DDoS Attacks by 4 Billion Times

Threat actors have been observed abusing a high-impact reflection/amplification method to stage sustained distributed denial-of-service DDoS attacks for up to 14 hours with a record-breaking amplification ratio of 4,294,967,296 to 1. The attack vector – dubbed TP240PhoneHome CVE-2022-26143 – has...

CVE-2022-26143: TP240PhoneHome Reflection/Amplification DDoS Attack Vector

A new reflection/amplification distributed denial of service DDoS vector with a record-breaking potential amplification ratio of 4,294,967,296:1 has been abused by attackers in the wild to launch multiple high-impact DDoS attacks...

Hackers Begin Weaponizing TCP Middlebox Reflection for Amplified DDoS Attacks

Distributed denial-of-service DDoS attacks leveraging a new amplification technique called TCP Middlebox Reflection have been detected for the first time in the wild, six months after the novel attack mechanism was presented in theory. "The attack … abuses vulnerable firewalls and content filteri...

GHSA-R8RM-4HFJ-2X87 Data Amplification in Play Framework

In Play Framework 2.6.0 through 2.8.2, data amplification can occur when an application accepts multipart/form-data JSON input...

Data Amplification in Play Framework

In Play Framework 2.6.0 through 2.8.2, data amplification can occur when an application accepts multipart/form-data JSON input...

GHSA-V9MF-JGQ3-C28H Data Amplification in Play Framework

An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON...

Data Amplification in Play Framework

An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON...

Mageia: Security Advisory (MGASA-2014-0052)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link which allows remote attackers to cause a denial of service (traffic amplification) and may cause information leakage by obtaining potentially sensitive information from the responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809.

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Microsoft Fended Off a Record 2.4 Tbps DDoS Attack Targeting Azure Customers

Microsoft on Monday revealed that its Azure cloud platform mitigated a 2.4 Tbps distributed denial-of-service DDoS attack in the last week of August targeting an unnamed customer in Europe, surpassing a 2.3 Tbps attack stopped by Amazon Web Services in February 2020. "This is 140 percent higher...