This Week in Security News - August 27, 2021

Key takeaways from H1’ 2021 Linux threat report and Google removes fake crypto-mining apps and more...

The First Half of 2021 Cyber Risk Index

Learn about the current state of cyber risk organizations are facing today based on the Cyber Risk Index results for the first half of 2021...

h1-ctf: Adam and the Deadly Injections

Hi team adding the flag here ███ ████ I will do the writeup in the below comments before the deadline itself Thanks Akshansh Impact...

h1-ctf: H1-CTF 100k Solution - Congratz on the 100k Rep todayisnew

Sharing the final flag for now. Writeup will come soon ██████ ██████████ Impact Takeover of admin account :...

h1-ctf: ccc ctf

██████████ will send detailed report later Impact can get admin credentials...

h1-ctf: [100K-ctf] Multiple vulnerabilities leading to compromise of Pinger instance.

Hello, Gonna just submit flags first then will send my write up later tomorrow. ████ ██████ Thanks for fun! Impact An attacker can compromise Pinger instance located on https://ccc.h1ctf.com/2b5d2b11513d2c9b by chaining multiple vulnerabilities on https://ccc.h1ctf.com/...

CVE-2020-36202

An issue was discovered in the async-h1 crate before 2.3.0 for Rust. Request smuggling can occur when used behind a reverse proxy...

CVE-2020-36202

An issue was discovered in the async-h1 crate before 2.3.0 for Rust. Request smuggling can occur when used behind a reverse proxy...

Design/Logic Flaw

An issue was discovered in the async-h1 crate before 2.3.0 for Rust. Request smuggling can occur when used behind a reverse proxy...

CVE-2020-36202

The CVE-2020-36202 issue affects the async-h1 crate for Rust prior to 2.3.0. When used behind a reverse proxy, request smuggling can occur if the proxy mishandles the request body, potentially allowing a smuggled request or forged headers on a shared connection. The impact described includes risk...

CVE-2020-36202

An issue was discovered in the async-h1 crate before 2.3.0 for Rust. Request smuggling can occur when used behind a reverse proxy...

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

HackyHolidays Day 1 Once the CTF started and the Grinch released the scope hackyholidays.h1ctf.com, I started the CTF by a good old Nmap scan, to see whats running on the server. So the nmap command looked like nmap -sC -sV -oA nmap hackyholidays.h1ctf.com/. The result showed a promising entry...

h1-ctf: Invading Grinch Network and Saving Christmas

How we saved Christmas As usual with H1 CTF challenges we are provided with a target URL. In our case it is the following: https://hackyholidays.h1ctf.com/ We started by visiting the URL and see what is going on. All we could see is a page with an image with a warning message. F1125722 We quickly...

h1-ctf: ctf walkthrough

Hi, finally managed to solve all challenges, this was my first h1ctf, some challenges were pretty nice, some others had some frustrating guessing parts, but overall it was fun. Here goes day1 to day12 walkthroughs: Day 1 we have only one asset in scope hackyholidays.h1ctf.com the main page at...

CVE-2020-26281

async-h1 is an asynchronous HTTP/1.1 parser for Rust crates.io. There is a request smuggling vulnerability in async-h1 before version 2.3.0. This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the bo...

Cross site request forgery (csrf)

async-h1 is an asynchronous HTTP/1.1 parser for Rust crates.io. There is a request smuggling vulnerability in async-h1 before version 2.3.0. This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the bo...

CVE-2020-26281 request smuggling in async-h1

async-h1 is an asynchronous HTTP/1.1 parser for Rust crates.io. There is a request smuggling vulnerability in async-h1 before version 2.3.0. This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the bo...

CVE-2020-26281

CVE-2020-26281 affects the async-h1 crate (Rust) before version 2.3.0 when used behind a reverse proxy. The vulnerability arises when the server does not consume a request body beyond a buffer, allowing a smuggled request to be read from the body and potentially forge or manipulate forwarded head...

Async-h1 request smuggling possible with long unread bodies

This vulnerability affects any webserver that uses async-h1 behind a reverse proxy, including all such Tide applications. If the server does not read the body of a request which is longer than some buffer length, async-h1 will attempt to read a subsequent request from the body content starting at...