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-2021-0234

Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS Distributed Denial of Service settings when configured from the CLI. The DDoS...

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 ...

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...

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...

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...

‘BlueLeaks’ Exposes Files from Hundreds of Police Departments

Hundreds of thousands of potentially sensitive files from police departments across the United States were leaked online last week. The collection, dubbed "BlueLeaks" and made searchable online, stems from a security breach at a Texas web design and hosting company that maintains a number of stat...

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...

Junos OS: Improper handling of specific IPv6 packets (JSA10982)

According to its self-reported version number, the remote Juniper Junos device is affected by a denial of service vulnerability DDOS: Specific IPv6 packets sent by clients processed by the Routing Engine RE are improperly handled. A remote unauthenticated attacker can exploit this by sending...

CVE-2016-1000107

inets in Erlang possibly 22.1 and earlier follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTPPROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an...

Telegram Suffers 'Powerful DDoS Attack' From China During Hong Kong Protests

Telegram, one of the most popular encrypted messaging app, briefly went offline yesterday for hundreds of thousands of users worldwide after a powerful distributed denial-of-service DDoS attack hit its servers. Telegram founder Pavel Durov later revealed that the attack was mainly coming from the...

Mirai Rebirth Highlights Importance of Defending IoT

Editor’s Note: Sam Bocetta, a guest author on the Carbon Black blog, is a freelance journalist specializing in U.S. diplomacy and national security, with emphases on technology trends in cyber warfare, cyber defense, and cryptography. Enterprises of all sizes face a massive challenge when it come...

Mirai Variant Adds Dozen New Exploits to Target Enterprise IoT Devices

Security researchers have uncovered a new variant of the infamous Mirai Internet of Things botnet, this time targeting embedded devices intended for use within business environments in an attempt to gain control over larger bandwidth to carry out devastating DDoS attacks. Although the original...

RSA Conference 2019: The Sky's the Limit For Satellite Hacks

SAN FRANCISCO – The satellites orbiting the world are rife with vulnerabilities – and as more satellites go up, and antenna equipment becomes cheaper, they are becoming a lucrative target for threat actors back on earth, according to researchers. William Malik, vice president of infrastructure...

Denial Of Service (DoS)

tomcat is vulnerable to a distributed denial of service DDOS attack. A malicious user can open a large amount of connections to the target server, causing the server to exhaust resources. This attack is also known as slowloris...

Police Shut Down World's Biggest 'DDoS-for-Hire' Service–Admins Arrested

In a major hit against international cybercriminals, the Dutch police have taken down the world's biggest DDoS-for-hire service that helped cyber criminals launch over 4 million attacks and arrested its administrators. An operation led by the UK's National Crime Agency NCA and the Dutch Police,...