bind: BIND does not sufficiently limit the number of fetches performed when processing referrals

A flaw was found in BIND, where it does not sufficiently limit the number of fetches that can be performed while processing a referral response. This flaw allows an attacker to cause a denial of service attack. The attacker can also exploit this behavior to use the recursing server as a reflector...

EvilApp - Phishing Attack Using An Android App To Grab Session Cookies For Any Website (ByPass 2FA)

Man-in-the-middle phishing attack using an Android app to grab session cookies for any website, which in turn allows to bypass 2-factor authentication protection. EvilApp brings as an example the hijacking and injection of cookies for authenticated instagram sessions. Legal disclaimer: Usage of...

Amazon Linux 2 : bind (ALAS-2020-1426)

The version of bind installed on the remote host is prior to 9.11.4-9.P2. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1426 advisory. An assertion failure was found in BIND, which checks the validity of messages containing TSIG resource records. This flaw...

Debian DSA-4689-1 : bind9 - security update

Several vulnerabilities were discovered in BIND, a DNS server implementation. - CVE-2019-6477 It was discovered that TCP-pipelined queries can bypass tcp-client limits resulting in denial of service. - CVE-2020-8616 It was discovered that BIND does not sufficiently limit the number of fetches...

DEBIAN-CVE-2020-8616

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

CVE-2020-8616

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

CVE-2020-8616

CVE-2020-8616 (ISC BIND): A denial-of-service exists due to failure to limit the number of fetches when processing referrals. A remote attacker can craft referrals to cause a recursing server to perform a very large number of fetches, degrading performance and enabling potential reflection attack...

CVE-2020-8616

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

CVE-2020-8616: NXNSAttack: Recursive DNS Inefficiencies and Vulnerabilities

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

Operational resilience in a remote work world

Microsoft CEO Satya Nadella recently said, “We have seen two years’ worth of digital transformation in two months.” This is a result of many organizations having to adapt to the new world of document sharing and video conferencing as they become distributed organizations overnight. At Microsoft, ...

DigitalOcean Data Leak Incident Exposed Some of Its Customers Data

DigitalOcean, one of the biggest modern web hosting platforms, recently hit with a concerning data leak incident that exposed some of its customers' data to unknown and unauthorized third parties. Though the hosting company has not yet publicly released a statement, it did has started warning...

Protect your accounts with smarter ways to sign in on World Passwordless Day

As the world continues to grapple with COVID-19, our lives have become increasingly dependent on digital interactions. Operating at home, we’ve had to rely on e-commerce, telehealth, and e-government to manage the everyday business of life. Our daily online usage has increased by over 20 percent...

New Android Malware Steals Banking Passwords, Private Data and Keystrokes

A new type of mobile banking malware has been discovered abusing Android's accessibility features to exfiltrate sensitive data from financial applications, read user SMS messages, and hijack SMS-based two-factor authentication codes. Called "EventBot" by Cybereason researchers, the malware is...

New Android Malware Steals Banking Passwords, Private Data and Keystrokes

A new type of mobile banking malware has been discovered abusing Android's accessibility features to exfiltrate sensitive data from financial applications, read user SMS messages, and hijack SMS-based two-factor authentication codes. Called "EventBot" by Cybereason researchers, the malware is...

libu2f-host: Multiple vulnerabilities

Background Yubico Universal 2nd Factor U2F Host C Library. Description Multiple vulnerabilities have been discovered in libu2f-host. Please review the CVE identifiers referenced below for details. Impact A remote attacker could entice a user to plug-in a malicious USB device, possibly resulting i...

Tales From the Trenches; a Lockbit Ransomware Story

ARCHIVED STORY Tales From the Trenches; a Lockbit Ransomware Story By ATR Operational Intelligence Team · APR 30, 2020 Co-authored by Marc RiveroLopez. In collaboration with Northwave As we highlighted previously across two blogs, targeted ransomware attacks have increased massively over the past...

Accessing Citrix Cloud using Multi-Factor Authentication

Requirements Existing Citrix Cloud Adminlogin credentials Should have set up Multi-Factor Authentication...

Tales From the Trenches; a Lockbit Ransomware Story

ARCHIVED STORY Tales From the Trenches; a Lockbit Ransomware Story By ATR Operational Intelligence Team · APR 30, 2020 Co-authored by Marc RiveroLopez. In collaboration with Northwave As we highlighted previously across two blogs, targeted ransomware attacks have increased massively over the past...

Millions of Brute-Force Attacks Hit Remote Desktop Accounts

A rash of brute-forcing attempts aimed at users of Microsoft’s proprietary Remote Desktop Protocol RDP has come to light, striking millions per week. The attacks are a likely offshoot of cybercriminals looking to take advantage of the unprecedented numbers of employees working from home amid the...

Microsoft Office 365 Security Recommendations

Summary As organizations adapt or change their enterprise collaboration capabilities to meet “telework” requirements, many organizations are migrating to Microsoft Office 365 O365 and other cloud collaboration services. Due to the speed of these deployments, organizations may not be fully...