A cli tool to test security of JSON Web Token
Project description
jwtXploiter
A tool to test security of JSON Web Tokens. Test a JWT against all known CVEs;
- Tamper with the token payload: changes claims and subclaims values.
- Exploit known vulnerable header claims (kid, jku, x5u)
- Verify a token
- Retrieve the public key of your target's ssl connection and try to use it in a key confusion attack with one option only
- All JWAs supported
- Generates a JWK and insert it in the token header
- And much, much more!
Wiki
- Read the wiki! wiki
Installation
N.B. Cloning the repository should be avoided except for development purposes! N.B. Deb package has to be considered beta
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With rpm:
wget http://andreatedeschi.uno/jwtxploiter/jwtxploiter-1.2.1-1.noarch.rpm sudo rpm --install jwtxploiter-1.2.1-1.noarch.rpm
or, if previous version is installed on your machine
sudo rpm --upgrade jwtxploiter-1.2.1-1.noarch.rpm
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With pip:
sudo pip install jwtxploiter
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With deb:
wget http://andreatedeschi.uno/jwtxploiter/jwtxploiter_1.2.1-1_all.deb sudo dpkg -i jwtxploiter_1.2-1_all.deb
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Cloing the repo:
git clone https://github.com/DontPanicO/jwtXploiter.git ./install.sh
N.B. python3-pip package is required to install dependencies, be sure to have it installed.
Who this tool is written for?
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Web Application Penetration Tester / Bug Bounty Hunters
- This tool has been written with the aim of become a key part of pentesters toolkit.
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Devs who need to test the secuirty of JWTs used in their applications
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CTF Players
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Not For Students
- Since this tool automates lot of stuff, without force the user to know what's happening under the hood, it won't help you to understand the vulnerabilities it exploits.
To Know
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For attacks that generates a jwks file, you could find it in the current working directory. Remeber to deletes such files in order to avoid conflicts.
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For jku/x5u injection that needs to merge two urls (the server vulnerable url and your one), the HERE keyword is required.
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For redirect attacks the keyword should replace the redirect url, e.g.
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For jku/x5u injections via HTTP header injection attacks, the HERE keyword sould be appended to the vulnerable parameter, without replacing its value, e.g.
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Also, in such cases, be sure to pass the server url and your one as comma separated values.
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'/.well-known/jwks.json' is automatically appended to your url in jku/x5u attacks. So make sure to place the jwks file under this path on your server.
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If you don't want that happen, use the --manual option, but this option is compatible only with --jku-basic and --x5u-basic so, you will need to manually craft the url and pass it to those options, even for attacks that exploit Open Redirect or HTTP header injection.
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Look at the wiki for a detailed documentation.
Project details
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