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Diffstat (limited to 'Parameter tampering/Resources/notes.md')
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diff --git a/Parameter tampering/Resources/notes.md b/Parameter tampering/Resources/notes.md new file mode 100644 index 0000000..ad19afd --- /dev/null +++ b/Parameter tampering/Resources/notes.md @@ -0,0 +1,8 @@ +## Exploit + +1. In the survey page choosing a grade will send a POST request. The client-side form allows values between 1 and 10. +1. Sending a request with a value outside the range (`curl --data valeur=42 --data sujet=2 "http://10.0.2.15/?page=survey" | grep flag`) will give you a flag. + +## Fix + +Client-side data should not be trusted and should be verified and sanitized both client-side and server-side. |