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Facebook App API credentials leaked in the APK

Medium
G
GlassWire
Submitted None
Reported by chip_sec

Vulnerability Details

Technical details and impact analysis

Cleartext Storage of Sensitive Information
GlassWire version 1,1,26,0b (F1827380) contains Facebook App API credentials (https://developers.facebook.com/docs/facebook-login/guides/access-tokens?locale=en_US#apptokens) in the GlassWire.exe file. App ID: `660471650708388` App Secret: `71a2d003a5ecfab4f4ad86dfb70b74e0` To check that token is work run: `curl "https://graph.facebook.com/oauth/access_token?client_id=660471650708388&client_secret=71a2d003a5ecfab4f4ad86dfb70b74e0&redirect_uri=&grant_type=client_credentials"` You will get aresponse `{"access_token":"660471650708388|jboBZgqj64W1JXIAKIbtVz24FlQ","token_type":"bearer"}` From the Facebook documentation https://developers.facebook.com/docs/facebook-login/guides/access-tokens#apptokens: > Note that because this request uses your app secret, it must never be made in client-side code or in an app binary that could be decompiled. It is important that your app secret is never shared with anyone. Therefore, this API call should only be made using server-side code. ## Impact This token can be used to modify Facebook App settings.

Report Details

Additional information and metadata

State

Closed

Substate

Resolved

Submitted

Weakness

Cleartext Storage of Sensitive Information