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What is OWASP WSFuzzer?

Fuzz testing, often simply called fuzzing, is a method in software evaluation focused on identifying implementation flaws by automatically introducing malformed or partially malformed data. Imagine a scenario where a program uses an integer variable to record a user's choice among three questions, represented by the integers 0, 1, or 2, which results in three different outcomes. Given that integers are generally maintained as fixed-size variables, the lack of secure implementation in the default switch case can result in program failures and a range of conventional security risks. Fuzzing acts as an automated approach to reveal such software implementation flaws, facilitating the detection of bugs during their occurrence. A fuzzer is a dedicated tool that automatically injects semi-randomized data into the program's execution path, helping to uncover irregularities. The data generation process relies on generators, while the discovery of vulnerabilities frequently utilizes debugging tools capable of examining the program’s response to the inserted data. These generators usually incorporate a combination of tried-and-true static fuzzing vectors to improve the testing process, ultimately fostering more resilient software development methodologies. Additionally, by systematically applying fuzzing techniques, developers can significantly enhance the overall security posture of their applications.

What is Google OSS-Fuzz?

OSS-Fuzz offers continuous fuzz testing for open-source software, a technique well-regarded for uncovering coding errors. These errors, such as buffer overflow vulnerabilities, can lead to serious security threats. By utilizing guided in-process fuzzing on Chrome components, Google has identified thousands of security flaws and stability concerns, with plans to broaden the reach of this valuable service to the open-source community. The main goal of OSS-Fuzz is to improve the security and stability of widely utilized open-source software by merging sophisticated fuzzing techniques with an adaptable and distributed framework. For those projects that do not qualify for OSS-Fuzz, alternatives like personal instances of ClusterFuzz or ClusterFuzzLite are available. Currently, OSS-Fuzz supports programming languages such as C/C++, Rust, Go, Python, and Java/JVM, and it may extend its support to additional languages that work with LLVM. Additionally, OSS-Fuzz enables fuzzing for both x86_64 and i386 architecture builds, allowing a diverse array of applications to take advantage of this cutting-edge testing methodology. This initiative aims not only to enhance software quality but also to contribute to the creation of a more secure software ecosystem for every user involved. Such improvements can lead to greater trust in open-source solutions.

Media

Media

Integrations Supported

Atheris
C
C++
CI Fuzz
ClusterFuzz
GitHub
Go
Google Cloud Storage
Java
Python
Rust

Integrations Supported

Atheris
C
C++
CI Fuzz
ClusterFuzz
GitHub
Go
Google Cloud Storage
Java
Python
Rust

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

OWASP

Company Location

United States

Company Website

owasp.org/www-community/Fuzzing

Company Facts

Organization Name

Google

Company Location

United States

Company Website

github.com/google/oss-fuzz

Categories and Features

Categories and Features

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