CVE-2020-13998

Citrix XenApp 6.5, when 2FA is enabled, allows a remote unauthenticated attacker to ascertain whether a user exists on the server, because the 2FA error page only occurs after a valid username is entered. NOTE: This vulnerability only affects products that are no longer supported by the maintaine...

PT-2020-13827 · Citrix · Citrix Xenapp

Name of the Vulnerable Software and Affected Versions: Citrix XenApp version 6.5 Description: The issue allows a remote unauthenticated attacker to determine whether a user exists on the server when two-factor authentication 2FA is enabled. This is because the 2FA error page is only displayed aft...

Mitigating Credential Stuffing Attacks in the Financial Sector

If You Think Multi-Factor Authentication Prevents Credential Stuffing, Think Again! Financial services firms around the world are experiencing credential stuffing attacks at an alarming rate. Cybercriminals are using readily available automation tools, botnets, and compromised account credentials...

h1-ctf: [H1-2006 2020] Bypassing access control checks by modifying the URL, internal application state, or the HTML page, or using a custom API attack tool

H1-2006 CTF Writeup F859938 Summary: Access control enforces policy such that users cannot act outside of their intended permissions. Failures typically lead to unauthorized information disclosure, modification or destruction of all data, or performing a business function outside of the limits of...

11 security tips to help stay safe in the COVID-19 era

The COVID-19 pandemic has changed our daily routines, the ways we work, and our reliance on technology. Many of us are now working remotely, students are attending classes virtually, and we’re relying more on social media and social networks to stay connected as we define what our new normal look...

Why SecOps is (Still) the Future

Editor’s Note: Sam Bocetta, a guest author on the VMware 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. SecOps is not a new idea. Unfortunately, however, it is...

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...

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...

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...

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

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

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...