Vulnerability

As explained in .NET in Action, Second Edition

A vulnerability is a weakness in software, configuration, or architecture that can be exploited to compromise security.

A vulnerability is a weakness in software, configuration, or architecture that an attacker can exploit. In production applications, finding vulnerabilities starts with examining an existing system and its trust boundaries. section 9.1 section 9.2

Common vulnerability areas in a web application include:

• JSON processing weaknesses and outdated dependencies. section 9.2
• Data exposure or tampering across HTTP requests and responses. section 9.2
• SQL injection, weak database access control, and elevation through impersonation. section 9.2
• Weak authentication and web-service access control. section 9.2

Figure 9.1 A threat model for a web application hosted within a company’s network that accesses a database

A threat model connects a client, web service, and database, making trust-boundary crossings and their potential vulnerabilities visible. section 9.2

How .NET in Action, Second Edition covers it

How deep it goes

Maps components, connections, trust boundaries, and threat vectors, while stopping short of comprehensive security coverage.

Examples

Uses an ASP.NET Core catalog API, SQLite database, browser Swagger UI, HTTP traffic, and a company-network boundary.

What it assumes

Assumes an existing ASP.NET Core web API with EF Core, a database, services, and client connections.

What you can do after

Diagnose vulnerabilities by modeling trust boundaries, inspecting generated SQL, and applying .NET security tools and techniques.

How it connects

Connects threat modeling with trust boundaries, SQL injection, HTTPS, authentication, authorization, and web-service access control.

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  Grokking Web Application SecurityA weakness in software, configuration, or system design that can be exploited to compromise security.
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  Hacking CryptographyA vulnerability is a weakness in a system or implementation that can be exploited to violate security properties.
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  Introduction to Generative AI, Second EditionA security vulnerability is a weakness in a system that can be exploited to compromise its confidentiality, integrity, or availability.
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  Software Security for DevelopersA weakness in software that can be exploited to compromise confidentiality, integrity, or availability.
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  GitHub Actions in Action: Continuous integration and delivery for DevOpsA software vulnerability is a weakness in software that can be exploited to compromise its security properties.
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  "Looks Good to Me"A weakness or problem in software that can be exploited to compromise confidentiality, integrity, availability, or control.
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  Think Like a CTOA security vulnerability is a weakness in software or a system that can be exploited to compromise confidentiality, integrity, availability, or otherwise cause unauthorized harm.
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  Data-Driven CybersecurityA vulnerability is a weakness in a system, application, or configuration that can be exploited to compromise security.
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  Spring Security in Action, Second EditionA weakness in an application that permits unauthorized use of data or functionality or allows the application to affect other systems.
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  Azure SecurityA vulnerability is a weakness or gap in a system or its security controls that can be exploited by a bad actor.
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  Learn Docker in a Month of Lunches, Second EditionA vulnerability is a weakness in software that can be exploited to cause unintended or insecure behavior.

Compare how 16 books explain vulnerability →

Related concepts

• security threatused by · A security threat is a potential actor, condition, event, or action capable of harming or compromising systems, information, operations, or users.
• software updateaddressed by · A software update is a change applied to existing software to modify or improve its behavior, correct defects or vulnerabilities, or add functionality.
• CVSSmeasured by · The Common Vulnerability Scoring System is a standardized framework for assessing and communicating the severity of software vulnerabilities.

This explainer was generated by Manning's knowledge graph from the text of .NET in Action, Second Edition. The section links point to the parts of the book it draws on.