Vulnerabilities tagged 'web'

Bypassing a Magic Number Check for Code Injection

Easy vulnerability that shows how checking the magic numbers of a file isn’t always sufficient.For some types of files all that matters is that the processor can detect its own content within another file…


Create free Shopify application credits

The Shopify GraphQL endpoint has a mutation appCreditCreate for Shopify apps to issue credits to merchants that can be used towards future app purchases.While this mutation cannot be used through the GraphQL endpoint at /admin/internal/web/graphql/core the GraphiQL app provided by Shopify however does allow the mutation…


NETGEAR D7000 Authentication Bypass

Authentication bypass by including a magic string in the URL.The string isn’t exactly magic, rather it seems like this page (setcup.cgi) has a single file that needs to be access without authentication…


SnapChat Exposes "One Tap Passwords" for any user

I’m not sure what the normal flow for a “One Tap Password” is but /scauth/otp/droid/logout can be used to retrieve OTP token in the response. Which can be passed to /scauth/otp/login along with the username to login.


Three Facebook Bugs Leading to Account Takeover

tl;dr - The Oauth endpoint parses URL paramters redirect_uri and redirect_uri[0 (note the missing ]) as pointing to the same variable. Allowing the second to overwrite the first. The front-end however sees them as two distinct keys and so redirects the oauth token to the redirect_uri while the endpoint validates that the other value points to a whitelisted location


Open Redirects in JetBrains Applications leading to Account Hijacking


After finding an open redirect in Datalore’s endpoint for authenticating via JetBrains, the author dug into the auth process to see if it could be turned into an attack.They discovered that if an auth_url parameter was specified (which had to be a valid jetbrains subdomain), Datalore would send the user as as well as their JWT token to the given URL…