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authentik/website/docs/security/cves/CVE-2024-47077.md
Tana M Berry 6d5172d18a website: latest PR for new Docs structure (#11639)
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* Update Makefile

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This reverts commit b99a4842a9.

* remove sluf for Application

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* then remove .md

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---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Signed-off-by: Marc 'risson' Schmitt <marc.schmitt@risson.space>
Co-authored-by: Tana M Berry <tana@goauthentik.com>
Co-authored-by: Jens Langhammer <jens@goauthentik.io>
Co-authored-by: Marc 'risson' Schmitt <marc.schmitt@risson.space>
2024-10-09 09:33:40 -05:00

1.0 KiB

CVE-2024-47077

Reported by @quentinmit

Insufficient cross-provider token validation during introspection

Summary

Access tokens issued to one application can be stolen by that application and used to impersonate the user against any other proxy provider. Also, a user can steal an access token they were legitimately issued for one application and use it to access another application that they aren't allowed to access.

Details

The proxy provider uses /application/o/introspect/ to validate bearer tokens provided in the Authorization header:

The implementation of this endpoint separately validates the client_id and client_secret (which are that of the proxy provider) and the token without validating that they correspond to the same provider.

Patches

authentik 2024.6.5 and 2024.8.3 fix this issue.

For more information

If you have any questions or comments about this advisory: