安全 fix: open redirect vulnerability in case of 'unknown client_id' - #64
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seb-men wants to merge 2 commits into
Open
安全 fix: open redirect vulnerability in case of 'unknown client_id' #64seb-men wants to merge 2 commits into
seb-men wants to merge 2 commits into
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…oes not set the error_url to prevent open redirect attacks
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As outlined in IdentityPython/SATOSA#498 , SATOSA returns a redirect to an unvalidated redirect_uri if the client is unknown, which is an "open redirect" vulnerability. The root cause is obviously in pyop, because it raises an InvalidAuthenticationRequest with a non-empty error_url if the client is unknown.
I have added a specific exception UnknownClientId which returns no error_url, just as the InvalidRedirectURI exception does.