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BFuzz Beta V1.4
Now supports domato to generate testcases
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‎BFuzz.py

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#!/usr/bin/python
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import os
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import subprocess
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import sys
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from time import sleep
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def runWebTest():
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dir_path = os.path.dirname(os.path.realpath(__file__))
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print("Enter the browser type: \n 1: Chrome \n 2: Firefox")
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browserType = input('>>')
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timeout = input(
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"Duration the browser process should wait before stopping(>=15 seconds to ensure full load of page):")
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checkValidBrowserType(browserType)
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for root, folders, fileNames in os.walk("recurve"):
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for fileName in fileNames:
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if not fileName.endswith('.html'):
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continue
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processCommand = getBrowserApplication(browserType)
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if processCommand is not None:
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setupExploit(dir_path, fileName, processCommand, root)
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runExploit(processCommand, timeout)
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else:
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print "Invalid Browser Type"
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def runExploit(processCommand, timeout):
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print "Executing Command: " + " ".join(processCommand)
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process = subprocess.Popen(processCommand)
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sleep(timeout)
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print "Killing browser process.... bye bye"
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process.kill()
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sleep(3)
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def setupExploit(dir_path, fileName, processCommand, root):
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filePath = os.path.join(dir_path, root, fileName)
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filePath = "file://" + filePath
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print "Testing with exploit:" + filePath
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processCommand.append(filePath)
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def getBrowserApplication(browserType):
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if browserType == 1:
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processCommand = ['google-chrome']
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elif browserType == 2:
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processCommand = ['firefox', '--new-instance']
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else:
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processCommand = None
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return processCommand
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def checkValidBrowserType(browserType):
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if browserType not in [1, 2]:
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print("Incorrect option!!")
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sys.exit(0)
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if __name__ == '__main__':
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runWebTest()

‎README.md

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# BFuzz
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```
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BFuzz is currently in beta.
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```
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BFuzz is an input based fuzzer tool which take `.html` as an input, open's up your browser with a new instance and pass multiple testcases generated by domato which is present in `recurve` folder of BFuzz, more over BFuzz is an automation which performs same task repeatedly.
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## Run BFuzz
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```
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warmachine@ftw:~/BFuzz$ ./generate.sh
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warmachine@ftw:~/BFuzz$ python BFuzz.py
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Enter the browser type:
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1: Chrome
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2: Firefox
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>>
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```
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Running `python BFuzz.py` will ask for option weather to fuzz Chrome or Firefox, however if selected `2` this will open firefox `firefox --new-instance` and randomly open any of the testcase from `recurve` create the logs on the terminal wait for `3 seconds` again it will open firefox and the same process continue so on.
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BFuzz is a small `.py` script which enable's to open browser run testcase for `12 seconds` then close wait for `3 seconds` and again follow the same process.
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## Domato 🍅
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The testcase's in `recurve` are generated by [domato](https://github.com/googleprojectzero/domato)
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generator.py contains the main script. It uses grammar.py as a library and contains additional helper code for DOM fuzzing.
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grammar.py contains the generation engine that is mostly application-agnostic and can thus be used in other (i.e. non-DOM) generation-based fuzzers. As it can be used as a library, its usage is described in a separate section below.
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.txt files contain grammar definitions. There are 3 main files, html.txt, css.txt and js.txt which contain HTML, CSS and JavaScript grammars, respectively. These root grammar files may include content from other files.
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## Bug showcase
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Epiphany Web 3.28.1: [CVE-2018-11396](https://bugzilla.gnome.org/show_bug.cgi?id=795740)<br>
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Mozilla Firefox: Stack based buffer overflow bug ID: 1456083 [Went DUPLICATE] <br>
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## View in action
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[Browser Fuzzing via BFuzz](https://youtu.be/I59SkL0ReUM)
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## Contribution
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Please feel free to PR.
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## ToDo
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Handle Exeception, Add banner, Optimize Code, Mangle testcases.
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‎domato/CONTRIBUTING.md

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# How to contribute
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We'd love to accept your patches and contributions to this project. There are
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just a few small guidelines you need to follow.
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## Contributor License Agreement
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Contributions to any Google project must be accompanied by a Contributor License
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Agreement. This is necessary because you own the copyright to your changes, even
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after your contribution becomes part of this project. So this agreement simply
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gives us permission to use and redistribute your contributions as part of the
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project. Head over to <https://cla.developers.google.com/> to see your current
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agreements on file or to sign a new one.
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You generally only need to submit a CLA once, so if you've already submitted one
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(even if it was for a different project), you probably don't need to do it
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again.
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## Code reviews
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All submissions, including submissions by project members, require review. We
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use GitHub pull requests for this purpose. Consult [GitHub Help] for more
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information on using pull requests.
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[GitHub Help]: https://help.github.com/articles/about-pull-requests/

‎domato/LICENSE

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