CVE-2024-47077

authentik cross-provider token validation problems

Description

authentik is an open-source identity provider. Prior to versions 2024.8.3 and 2024.6.5, 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. Anyone who has more than one proxy provider application with different trust domains or different access control is affected. Versions 2024.8.3 and 2024.6.5 fix the issue.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Affected: goauthentik authentik
Published at:
Updated at:

References

Link Tags
https://github.com/goauthentik/authentik/security/advisories/GHSA-8gfm-pr6x-pfh9
https://github.com/goauthentik/authentik/commit/22e586bd8cdc3d1db8a0f18314d76f82371129b2
https://github.com/goauthentik/authentik/commit/57a31b5dd16d4adce716b9878455c0d6f58155fe
https://github.com/goauthentik/authentik/blob/70b5a214f2e7205572f914aaf68682501b9f5945/authentik/providers/oauth2/views/introspection.py#L42-L51
https://github.com/goauthentik/authentik/blob/70b5a214f2e7205572f914aaf68682501b9f5945/internal/outpost/proxyv2/application/auth_bearer.go#L30-L36

Frequently Asked Questions

What is the severity of CVE-2024-47077?
CVE-2024-47077 has been scored as a medium severity vulnerability.
How to fix CVE-2024-47077?
To fix CVE-2024-47077, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-47077 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-47077 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-47077?
CVE-2024-47077 affects goauthentik authentik.
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