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Advisories

Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration

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severity
high
date
Affecting

  • rill >= 0.77.0, <= 0.90.5

CWE
  • CWE-862 Missing Authorization
CVSS
8.6
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
HaiND from the Post and Telecommunication Institute of Technology
Description
Rill 0.77.0 through 0.90.5 contains a missing authorization vulnerability in the admin OAuth server that issues authorization codes to dynamically registered clients without user consent. Attackers can register a client with the long_lived_access_token scope and lure a user to an authorization link, obtaining a non-expiring API token with the user's full permissions.

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