LibFuzzer

LibFuzzer

LLVM Project
Fuzzing Project LibFuzzer

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Fuzzing Project:

About

Fuzzing is a powerful strategy to find bugs in software. The idea is quite simple, which is to generate a large number of randomly malformed inputs for the software to parse and see what happens. If the program crashes then something is likely wrong. While fuzzing is a well-known strategy, it is surprisingly easy to find bugs, often with security implications, in widely used software. Memory access errors are the errors most likely to be exposed when fuzzing software that is written in C/C++. While they differ in the details, the core problem is often the same, the software reads or writes to the wrong memory locations. A modern Linux or BSD system ships a large number of basic tools that do some kind of file displaying and parsing. In their current state, most of these tools are not suitable for untrusted inputs. On the other hand, we have powerful tools these days that allow us to find and analyze these bugs.
LibFuzzer:

About

LibFuzzer is an in-process, coverage-guided, evolutionary fuzzing engine. LibFuzzer is linked with the library under test, and feeds fuzzed inputs to the library via a specific fuzzing entry point (or target function); the fuzzer then tracks which areas of the code are reached, and generates mutations on the corpus of input data in order to maximize the code coverage. The code coverage information for libFuzzer is provided by LLVM’s SanitizerCoverage instrumentation. LibFuzzer is still fully supported in that important bugs will get fixed. The first step in using libFuzzer on a library is to implement a fuzz target, a function that accepts an array of bytes and does something interesting with these bytes using the API under test. Note that this fuzz target does not depend on libFuzzer in any way so it is possible and even desirable to use it with other fuzzing engines like AFL and/or Radamsa.
Fuzzing Project:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
LibFuzzer:

Platforms Supported

Windows Supported
Mac Not Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Fuzzing Project:

Audience

Developers and anyone in need of a tool to improve the security of their software applications
LibFuzzer:

Audience

Users requiring a fuzzing engine to analyze their code and applications
Fuzzing Project:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
LibFuzzer:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Fuzzing Project:

API

Offers API Not Supported
LibFuzzer:

API

Offers API Supported
Fuzzing Project:

Screenshots and Videos

LibFuzzer:

Screenshots and Videos

Fuzzing Project:

Pricing

Free
Free Version Supported
Free Trial Not Supported
LibFuzzer:

Pricing

Free
Free Version Supported
Free Trial Not Supported
Fuzzing Project:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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LibFuzzer:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Fuzzing Project:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
LibFuzzer:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Fuzzing Project:

Company Information

Fuzzing Project
fuzzing-project.org
LibFuzzer:

Company Information

LLVM Project
Founded: 2003
llvm.org/docs/LibFuzzer.html
Fuzzing Project:

Alternatives

LibFuzzer:

Alternatives

afl-unicorn

afl-unicorn

Battelle
Fuzzing Project:
go-fuzz

go-fuzz

dvyukov
LibFuzzer:
Atheris

Atheris

Google
Fuzzing Project:
ClusterFuzz

ClusterFuzz

Google
LibFuzzer:
Jazzer

Jazzer

Code Intelligence
Fuzzing Project:
LibFuzzer:
Honggfuzz

Honggfuzz

Google
Fuzzing Project:
LibFuzzer:
Fuzzing Project:

Categories

Fuzz Testing Supported
LibFuzzer:

Categories

Fuzz Testing Supported
Fuzzing Project:

Integrations

C Supported
C++ Supported
Atheris Not Supported
ClusterFuzz Not Supported
Fuzzbuzz Not Supported
Google ClusterFuzz Not Supported
Jazzer Not Supported
LibFuzzer:

Integrations

C Supported
C++ Supported
Atheris Supported
ClusterFuzz Supported
Fuzzbuzz Supported
Google ClusterFuzz Supported
Jazzer Supported
Fuzzing Project:
Claim Fuzzing Project and update features and information
Claim Fuzzing Project and update features and information
LibFuzzer:
Claim LibFuzzer and update features and information
Claim LibFuzzer and update features and information