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Vulnerabilities (7)

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Is your wifi connection secure? How attackers take advantage of public WIFI

September 6, 2022
Est Read Time: 6 min
Do you connect to public wifi networks when you are out? You might be putting yourself and your data at risk. Core Pentester Orhan Yildirim shares how attackers take advantage of these public networks.
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Cobalt Core Vulnerabilities
Pentest Case Study: OAuth Open Redirect to Account Takeover

Cobalt Pentest Case Study: OAuth Redirect to Account Takeover

August 31, 2022
Est Read Time: 3 min
Cobalt Core Penteser Edu Garcia recently used an interesting attack method while working on a Cobalt pentest. In this blog, he shares how he did it and provides a solution to the vulnerability.
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Vulnerabilities
File Upload Vulnerabilities

File Upload Vulnerabilities

August 24, 2022
Est Read Time: 9 min
This blog aims to demonstrate how applications can be compromised using simple file upload functionalities. Core Pentester Shubham Chaskar will show how to bypass common defense mechanisms and upload web shells.
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Cobalt Core Vulnerabilities
GraphQL explained

Graph Query Language Explained

August 18, 2022
Est Read Time: 9 min
Cobalt Core Pentester Harsh Bothra explains Graph Query Language and how attackers use it. Read his guide to learn how attackers think and take advantage.
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Cobalt Core API Pentesting Vulnerabilities
Hacking Solidity Smart Contracts

Hacking Solidity Smart Contracts

August 10, 2022
Est Read Time: 8 min
Today we will look at hacking smart contracts written using the Solidity programming language. We will fix an overflow/underflow vulnerability on PWNX Academy
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Vulnerabilities
Attacking Windows Applications Pt. 2

Attacking Windows Applications Pt. 2

August 4, 2022
Est Read Time: 10 min
Welcome to the second part of the blog series "Attacking windows application." In this blog, we go more in-depth on attacking these applications and the tools used.
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Cobalt Core Vulnerabilities

From CSRF and File Upload to RCE - JAVA

September 16, 2021
Est Read Time: 6 min
I have come across many interesting vulnerabilities throughout my offensive security career. In this post, I would like...
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Cobalt Core Vulnerabilities
iPhone held in front of a camera, iOS Pentesting 101cover image

iOS Pentesting 101

August 20, 2021
Est Read Time: 15 min
It is no secret that mobile devices are on the rise. According to the first-quarter 2021 Nielsen Total Audience Report...
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Mobile Application Pentesting Vulnerabilities

Pentester Diaries Ep7: Tips for Communicating with Customers

August 12, 2021
Est Read Time: 15 min
Welcome back to Pentester Diaries. In this episode, Cobalt’s Grahame Turner interviews Core pentester Stefan Nicula on...
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Vulnerabilities
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