MyBB 未授权RCE漏洞（CVE-2021-27889 CVE-2021-27890）

MyBB Remote Code Execution Chain BY SIMON SCANNELL & CARL SMITH Today SonarSource is pleased to share with you a guest contribution to our Code Security blog series. The following blog post is authored by Simon Scannell and Carl Smith -two independent security researchers- joining us in sharing...

“Hacker Games” launched to challenge and improve cybersecurity skills

By Habiba Rashid Launched by Veracode; Hacker Games will last for 2 weeks March 15-26, 2021. This is a post from HackRead.com Read the original post: “Hacker Games” launched to challenge and improve cybersecurity skills...

US Cyber Command Valentine’s Day Cryptography Puzzles

The US Cyber Command has released a series of ten Valentines Day "Cryptography Challenge Puzzles." Slashdot thread. Reddit thread. And heres the archived link, in case Cyber Command takes the page down...

EyesOfNetwork 5.3 - File Upload Remote Code Execution

Exploit Title: EyesOfNetwork 5.3 - File Upload Remote Code Execution Date: 10/01/2021 Exploit Author: Ariane.Blow Vendor Homepage: https://www.eyesofnetwork.com/en Software Link: http://download.eyesofnetwork.com/EyesOfNetwork-5.3-x8664-bin.iso Version: 5.3-10 12/9/2020-lastest !/bin/bash /!\ You...

Google ReCaptcha flaw lets bots bypass audio captcha challenge

By Sudais Asif According to researchers, the idea of the attack is to grab the MP3 file of the audio reCAPTCHA and submit it to Google's own Speech to Text API. This is a post from HackRead.com Read the original post: Google ReCaptcha flaw lets bots bypass audio captcha challenge...

h1-ctf: H1 Hackyholidays CTF - The Grinch was defeated

The following writeup will underline all the steps and tools used to solve the 12 challenges of the H1 Holidays CTF. The theme of the competition was the Grinch. How it is possible to read from the competition blog post https://www.hackerone.com/blog/12-days-hacky-holidays-ctf , the goal was to...

h1-ctf: Hackyholidays [ h1-ctf] writeup [mission:- stop the grinch ]

Hello Team Description In the continuous series of 12 days, twelve flags were hidden inside Hackyholidays site - hackyholidays.h1ctf.com in which once we get all the flags, grinch can be stopped. This write-up will describe solving all the 12 days challenges. Step To Reproduce + It all started wh...

h1-ctf: CTF Writeup

Hi, First of all, thanks for this amazing CTF!. I will post my writeup soon, it is time to sleep now : F1129602 By the way, the creator of challenge 11 is crazy. Impact Grinch Network is finally down...

h1-ctf: Hackyholidays CTF writeup

Writeup for the hackyholidays CTF This CTF consisted of 12 challenges released daily in the 12 days leading up to christmas. The goal was to stop the Grinch from ruining christmas by slowly destroying the apps that he used to terrorize Santa and his elfs. The challenges were: 1. Robots.txt 2. DOM...

Sploit - Go Package That Aids In Binary Analysis And Exploitation

Sploit is a Go package that aids in binary analysis and exploitation. The motivating factor behind the development of sploit is to be able to have a well designed API with functionality that rivals some of the more common Python exploit development frameworks while taking advantage of the Go...

My-CTF-Web-Challenges

This is a collection of CTF Capture The Flag web challenges created by orange. The repository contains source code, write-ups, and idea explanations for various challenges. The challenges are categorized by year, with challenges from HITCON 2018, 2019, and 2020, as well as other CTF events. The...

BugPoC: XSS Challenge

Hello, ID: bp-oJelDA6b Password: PLEAsEdYAk24 Impact The attacker can steal any user session data...

asterisk -- Outbound INVITE loop on challenge with different nonce

The Asterisk project reports: If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate even if the call is hung up,...

freerdp: out-of-bounds read in ntlm_read_ntlm_v2_client_challenge function

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlmreadntlmv2clientchallenge that reads up to 28 bytes out-of-bound to an internal structure. This has been fixed in 2.1.0...

Flare-On 7 Challenge Solutions

We are thrilled to announce the conclusion of the seventh annual Flare-On challenge. This year proved to be the most difficult challenge we’ve produced, with the lowest rate of finishers. This year’s winners are truly the elite of the elite! Lucky for them, all 260 winners will receive this...

CVE-2020-15931

Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator that is configured within the product in its installation state by generating a single Kerberos Pre-Authentication Failed ID 4771 event on a...

Cybersecurity Visuals

The Hewlett Foundation just announced its top five ideas in its Cybersecurity Visuals Challenge. The problem Hewlett is trying to solve is the dearth of good visuals for cybersecurity. A Google Images Search demonstrates the problem: locks, fingerprints, hands on laptops, scary looking hackers in...

Radius Challenge Response Timeout Between NetScaler Gateway and Radius Server

When using two-factor challenge/response authentication through RADIUS, the NetScaler Gateway imposes a session timeout for the RADIUS challenge/response dialogue. In case of SMS token code delivery, there might be long delays between the challenge displayed to the user and the actual submission ...

ctf2

This repository is a writeup of the CSAW CTF 2015, a capture the flag CTF competition. The writeup is written in Polish, with an English version available for those who prefer it. The writeup covers various challenges from the competition, including web, exploit, crypto, reversing, and forensics...

Exploit for CVE-2020-1472

PoC exploit for CVE-2020-1472, a vulnerability in the Windows Netlogon service that allows for authentication bypass. The exploit uses the Impacket library to test the vulnerability and attempts to perform a Netlogon authentication bypass. The script will immediately terminate when successfully...