CVE-2020-24612

The CVE-2020-24612 issue affects the selinux-policy (Reference Policy) package 3.14–2020-08-24, where mishandling of the .config/Yubico directory in SELinux-enforced mode prevents pam-u2f from reading a user's U2F configuration. If nouserok is used, and the file cannot be read, second-factor auth...

JetBrains Security Bulletin Q2 2020

FYI News Security JetBrains Security Bulletin Q2 2020 Robert Demmer In the second quarter of 2020, we resolved a number of security issues in our products. Here’s a summary report that contains a description of each issue and the version in which it was resolved. Product | Description | Severity ...

Business email compromise: gunning for goal

The evergreen peril of business email compromise BEC finds itself in the news once more. This time, major English Premier League football teams almost fell victim to their trickery, to the tune of £1 million. First half: fraudsters on the offensive Somebody compromised a Managing Director’s email...

Twitter Could Face $250M FTC Fine Over Improper Data Use

Twitter may be facing a Federal Trade Commission FTC fine of up to $250 million, after the social media giant last year revealed the improper use of users’ email addresses and phone numbers. In October 2019, Twitter acknowledged that user phone numbers and email addresses gathered for security...

DeimosC2 - A Golang Command And Control Framework For Post-Exploitation

DeimosC2 is a post-exploitation Command & Control C2 tool that leverages multiple communication methods in order to control machines that have been compromised. DeimosC2 server and agents works on, and has been tested on, Windows, Darwin, and Linux. It is entirely written in Golang with a front e...

CVE-2020-12812

An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication FortiToken if they changed the case of their username. Recent assessments:...

Coordinated Twitter attack rakes in 100 grand

Update 7/18/2020 Twitter released an update about the situation and their investigation on their blog. Update 8/2/2020 ZDNet published a timeline based on the court documents released by the DOJ "Im feeling generous because of Covid-19. Ill double any BTC payment sent to my BTC address for the ne...

CVE-2019-20877

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information about whether someone has 2FA enabled...

CVE-2019-20877

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information about whether someone has 2FA enabled...

Information disclosure

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information about whether someone has 2FA enabled...

CVE-2019-20877

Mattermost Server contains an information-disclosure vulnerability that allows an attacker to determine if a user has 2FA enabled. Affected versions include Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. The issue is described consistently across CVE sources (including Red Hat), with n...

CVE-2019-20877

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information about whether someone has 2FA enabled...

Glassdoor: 2FA bypass by sending blank code

Summary: █████████. This is a failure in null check of the entered code. In simple terms, the 2FA while logging in can be bypassed by sending a blank code. This could be because of incorrect comparison of entered code with true code. A pre-validation may be null check before comparing the codes...

h1-ctf: [H1-2006 2020] Bounty Pay CTF challenge

H1-2006 2020 Bounty Pay CTF challenge Hi there! This is my H1-2006 CTF writeup submission. First of all, thanks for the great challenge! This was my first H1 CTF that I played. I really enjoyed doing it and I learned new things solving this challenge. In my case, it was the demonstration that I...

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...

Code injection

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...

CVE-2020-13998

CVE-2020-13998 affects Citrix XenApp 6.5. A remote unauthenticated attacker can determine whether a user exists on the server because the 2FA error page only appears after a valid username is entered. Public sources in the connected documents confirm the issue as an information disclosure affecti...

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...

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...

h1-ctf: [h1-2006 CTF] Multiple vulnerabilities leading to account takeover and two-factor authentication bypass allows to send pending bounty payments

Hi, First things first, the flag of the CTF challenge. F863095 Write-Up I've published my write-up at https://kapytein.nl/texts/2020-06-10-h1-2006-ctf-writeup-2cf34abd3ed/, in order to avoid a lengthy report 😅. TL;DR 1 2FA bypass as we control both values on the comparison. 2 SSRF to...