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Exploiting Buffer Overflow Vulnerabilities: A Step-by-Step Guide (Part 2)

Buffer overflow vulnerability happens when data written to a buffer exceeds its size, which may overwrite important data or execute malicious code. Attackers can exploit these vulnerabilities to gain unauthorized access, execute malicious code, or steal sensitive data. This blog will provide an overview of buffer overflow exploitation, including its causes, consequences, and the methods attackers use to exploit it. It's important to understand the basics before diving into exploitation and steps of buffer overflow.
Cobalt Core Pentester Guides
Apr 24, 2023
Est Read Time: 18 min
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Hacker Corner Episode 2: Managing a Community of 400+ Hackers

On this episode of Hacker Corner, host Sheeraz Ali sits down with Community Manager Elizabeth Ramirez to talk about managing a community of 400+ hackers.
Cobalt Core
Apr 19, 2023
Est Read Time: 3 min
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A Pentester’s Guide to Dependency Confusion Attacks

This blog post discusses the concept of "Dependency Confusion" in software development, where malicious code is injected into third-party dependencies, such as libraries or frameworks, that applications use.
Cobalt Core Pentester Guides
Apr 17, 2023
Est Read Time: 7 min
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Pentester of the Quarter: Shubham Chaskar

Cobalt is excited to announce that Shubham Chaskar is the Q2 Pentester of the Quarter!
Cobalt Core
Apr 10, 2023
Est Read Time: 1 min
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CSRF & Bypasses

This article discusses Cross-Site Request Forgery (CSRF) attacks, a web security vulnerability where an attacker tricks an authenticated website user into performing an unwanted action, such as transferring funds or changing their email address, by exploiting the user's browser cookies. The article explains how CSRF attacks work and how attackers can bypass CSRF token validation to exploit vulnerabilities in web applications. It also discusses several techniques that can be used to bypass CSRF defense, including removing the referer header, bypassing the regex, and using different Content-Type values.
Cobalt Core Pentester Guides
Apr 10, 2023
Est Read Time: 8 min
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Dynamic Duo: Dhiraj Mishra & Zubin Devnani

Dhiraj Mishra and Zubin Devnani, two Core Pentesters, have led ten successful fuzzing workshops together and have plans to continue. Read about how they got started in our blog about the Dynamic Duo in the Core.
Pentester Stories Cobalt Core
Apr 5, 2023
Est Read Time: 2 min
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Pentester Spotlight: Herane Malhotra

This month's Pentester Spotlight features Herane Malhotra, a Core Pentester since 2021 and Lead.
Pentester Stories Cobalt Core
Mar 26, 2023
Est Read Time: 2 min
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OAuth Vulnerabilites Pt. 2

OAuth is a widely-used protocol that enables users to authorize third-party applications to access their data from other services, such as social media or cloud storage. However, like any technology, OAuth is not immune to vulnerabilities. This is Pt. 2 of a two-part series by Core Pentester Shubham Chaskar.
Cobalt Core Pentester Guides
Mar 20, 2023
Est Read Time: 10 min
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Active Directory Series: Active Directory Fundamentals

Active Directory is a Microsoft service that provides centralized management of user accounts, devices, and access to resources in a networked environment. It allows IT professionals to create and manage users, groups, computers, and other resources on a network, and control access to those resources based on policies and permissions.
Cobalt Core Pentester Guides
Mar 13, 2023
Est Read Time: 12 min
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