Microsoft Response to Distributed Denial of Service (DDoS) Attacks against HTTP/2

Summary Beginning in September 2023, Microsoft was notified by industry partners about a newly identified Distributed Denial-of-Service DDoS attack technique being used in the wild targeting HTTP/2 protocol. This vulnerability CVE-2023-44487 impacts any internet exposed HTTP/2 endpoints. As an...

U.K. National Crime Agency Sets Up Fake DDoS-For-Hire Sites to Catch Cybercriminals

In what's a case of setting a thief to catch a thief, the U.K. National Crime Agency NCA revealed that it has created a network of fake DDoS-for-hire websites to infiltrate the online criminal underground. "All of the NCA-run sites, which have so far been accessed by around several thousand peopl...

CVE-2023-27077

Stack Overflow vulnerability found in 360 D901 allows a remote attacker to cause a Distributed Denial of Service DDOS via a crafted HTTP package...

CVE-2023-27077

Stack Overflow vulnerability found in 360 D901 allows a remote attacker to cause a Distributed Denial of Service DDOS via a crafted HTTP package...

CVE-2021-3172

An issue in Php-Fusion v9.03.90 fixed in v9.10.00 allows authenticated attackers to cause a Distributed Denial of Service via the Polling feature...

CVE-2021-3172

An issue in Php-Fusion v9.03.90 fixed in v9.10.00 allows authenticated attackers to cause a Distributed Denial of Service via the Polling feature...

Race condition

An Allocation of Resources Without Limits or Throttling weakness in the memory management of the Packet Forwarding Engine PFE on Juniper Networks Junos OS Evolved PTX10003 Series devices allows an adjacently located attacker who has established certain preconditions and knowledge of the environme...

Microsoft research uncovers new Zerobot capabilities

Botnet malware operations are a constantly evolving threat to devices and networks. Threat actors target Internet of Things IoT devices for recruitment into malicious operations as IoT devices’ configurations often leave them exposed, and the number of internet-connected devices continue to grow...

Joint CISA FBI MS-ISAC Guide on Responding to DDoS Attacks and DDoS Guidance for Federal Agencies

CISA, the Federal Bureau of Investigation FBI, and the Multi-State Information Sharing and Analysis Center MS-ISAC have released Understanding and Responding to Distributed Denial-of-Service Attacks to provide organizations proactive steps to reduce the likelihood and impact of distributed...

Distributed Denial Of Service (DDoS)

mediawiki/core is vulnerable to distributed denial of service DDoS attacks. Rendering of w/index.php?title=Special%3AWhatLinksHere⌖=Property%3AP31=1=1 may lead to potential denial of service conditions when certain parameter combinations are used...

Cisco IOS XE Software Protection Against Distributed Denial of Service Attacks Feature Vulnerability

A vulnerability in the Protection Against Distributed Denial of Service Attacks feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct denial of service DoS attacks to or through the affected device. This vulnerability is due to incorrect programming of the...

What is DDoS attack❓ — Types and how to react to them

What is DDoS attack❓ — Types and how to react to them Distributed Denial of service attacks are assaults outfitted at making a PC, a cyber-service inaccessible by congesting it with traffic from various sources. The point is ordinarily to make the computers in question stop administration by...

Input validation

An improper check for unusual or exceptional conditions vulnerability in Juniper Networks MX Series platforms with Trio-based MPC Modular Port Concentrator deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, may allow an attacker sending specific Layer 2 traffic to cause...

CVE-2021-0259

Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on ...

DEBIAN-CVE-2020-14312

A flaw was found in the default configuration of dnsmasq, as shipped with Fedora versions prior to 31 and in all versions Red Hat Enterprise Linux, where it listens on any interface and accepts queries from addresses outside of its local subnet. In particular, the option local-service is not...

CVE-2020-14312

A flaw was found in the default configuration of dnsmasq, as shipped with Fedora versions prior to 31 and in all versions Red Hat Enterprise Linux, where it listens on any interface and accepts queries from addresses outside of its local subnet. In particular, the option local-service is not...

MGASA-2020-0310 Updated dnsmasq packages fix security vulnerability

Updated dnsmasq package fix insecure default configuration potentially making it an open resolver CVE-2020-14312. In its default configuration, dnsmasq listen and answer query from any address even outside of the local subnet. Thus, it may inadvertently become an open resolver which might be used...

Dnsmasq Access Control Error Vulnerability

Dnsmasq is a lightweight DNS forwarding and DHCP, TFTP server written in C. It can be used as a server to forward DNS, DHCP, and TFTP. An access control error vulnerability exists in the default configuration in Dnsmasq Fedora and Red Hat Enterprise Linux. The vulnerability stems from the network...

New DNS Vulnerability Lets Attackers Launch Large-Scale DDoS Attacks

Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service DDoS attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to...

Mukashi: A New Mirai IoT Botnet Variant Targeting Zyxel NAS Devices

A new version of the infamous Mirai botnet is exploiting a recently uncovered critical vulnerability in network-attached storage NAS devices in an attempt to remotely infect and control vulnerable machines. Called "Mukashi," the new variant of the malware employs brute-force attacks using differe...