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LibSSH new Vulnerability

New vulnerability on libssh CVE-2018-10933

The new vulnerability in LibSSH, tracked as CVE-2018-10933, resides on the server code which can enable a client to bypass the authentication process and create channels without permission. This...



Developers programming in an office

DevOops Writeup

How to resolve HTB DevOops

Scanning Phase First, we check the IP of the DevOops machine and try a ping to see if we have access. Then, we scan the ports with nmap. In this case, we’re going to use basic nmap. port scannning...



A man with a functional JavaScript t-shirt

Functional Fashion in JavaScript

Functional programming in JavaScript

It’s funny how fashion works, most people (if not all) want to be fashionable but just a bit understand where the fashion comes from. Fashion pieces are not understood but still people like to use...



Snake checking a code

Are you checking types?

Static type checking with mypy

The dominoes game is simple, there are 28 tiles (in the standard version of this game), each one with a unique combination of two numbers of pips between 0 and 6. There are usually 4 players, so...



Swiss army knives with Python logo

Road to Functional Python

Functional coding in Python

Probably there is nothing better for the spirit than having a hobby that we are passionate about, that makes us feel in love all the time and makes us want to return to it. Better, the results...



Rubber ducks depicting Karl Marx

Why we go functional?

Functional vs Imperative

In 1848, Karl Marx released into public opinion a controversial document called The Communist Manifesto. From then until today, for better or for worse, this document has influenced societies. If...



The Treacherous POODLE

The Treacherous POODLE

How does the SSL fallback's works

A gas vendor, each week receives gas, which he stores in pipes and discretely refills them with water. Each day sells this gas to his clients, unbeknown to an "auditor" in black robes - aka Poodle...



Release the beast

Release the BEAST!

Understanding the BEAST

The Browser Exploit Attack on SSL/TLS (B.E.A.S.T), - bet you thougth it was a rampage hack that launched nukes - it is a practical attack demonstrated by Thai Duong and Julian Rizzo at ekoparty in...



heartbleed official logo

My heart bleeds (but not for you)

Understanding the flaw behind Heartbleed

Back in April 2014, one of the biggest vulnerabilities in recent history was found, HeartBleed. The popular open source cryptographic software library OpenSSL, had a critical flaw, [1] in the...



Python proofreading a document

Pars orationis non est secura

Using parser combinators to detect flaws

We like bWAPP around here, because it’s very buggy!. We have shown here how to find and exploit vulnerabilities like SQL injection, directory traversal, XPath injection, and UNIX command...



Pickled cucumbers

Gherkin on steroids

How to document detailed attack vectors

In the field of information security, finding all vulnerabilities is as important as reporting them as soon as possible. For that, we need an effective means to communicate with all stakeholders....



Weak bicycle lock with words

Requiem for a p455w0rD

Why passphrases are better than passwords

What would you rather have at your home door: a simple, weak key that needs to be changed every other week, or a one-time-setup, state-of-the-art, virtually unpickable cruciform key? Figure 1....




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