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,...

Ubuntu 14.04 LTS / 16.04 LTS : Memcached vulnerabilities (USN-3588-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3588-1 advisory. Daniel Shapira discovered an integer overflow issue in Memcached. A remote attacker could use this to cause a denial of service daemon crash...

Novel NTP Attacks Roll Back Time

Sharon Goldberg remembers the cold February day when her Boston University PhD candidate Aanchal Malhotra was studying routing security, in particular, attacks against the resource public key infrastructure RPKI—and kept hitting a dead end because of a cache-flushing issue. The resourceful Malhot...

NTPD - MON_GETLIST Query Amplification Denial of Service

NTPD - MONGETLIST Query Amplification Denial of Service !/usr/bin/perl ntp MONGETLIST query amplification ddos Copyright 2015 c Todor Donev [email protected] http://www.ethical-hacker.org/ https://www.facebook.com/ethicalhackerorg A Network Time Protocol NTP Amplification attack is an emergin...

Apple Patches Shellshock Vulnerability in Bash

Apple tonight released its patch for the Bash vulnerability, updating OS X Lion, Mountain Lion and Mavericks. Late Friday, Apple reassured Mac OS X users that most were protected by default, but nonetheless that it was working on a patch. The vulnerability in Bash, which stands for Bourne Again...

SNMP 'GETBULK' Reflection DDoS

The remote SNMP daemon is responding with a large amount of data to a 'GETBULK' request with a larger than normal value for 'max-repetitions'. A remote attacker can use this SNMP server to conduct a reflected distributed denial of service attack on an arbitrary remote host. TRUSTED...

Postfix 1.1.x Denial of Service Vulnerabilities (1)

No description provided by source. source: http://www.securityfocus.com/bid/8333/info Debian has reported two vulnerabilities in the Postfix mail transfer agent. The first vulnerability, CAN-2003-0468, can allow for an adversary to bounce-scan a private network. It has also been reported that thi...

South Korea hit by Android Trojan, Malware in Gaming apps and DDoS attack

Last Tuesday, The National Police Agency of South Korea warned the people that many Malware infected video games being offered in the South Korean markets with the purpose of launching Cyber attacks on the Country. That Malware is collecting location data and IP addresses of infected users and...