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GHSA-25rw-g6ff-fmg8
No affected components available
Summary
A vulnerability in Zitadel's login V2 UI allowed users to bypass login behavior and security policies and self-register new accounts or sign in using password even if corresponding options were disabled in their organizaton.
Impact
Zitadel enables administrators to configure their organization’s login behavior and security policies. As part of this functionality, they can disable user self-registration, enforce passwordless logins only, and more.
Due to improper enforcement an attacker could send direct HTTP requests to the login UI and create accounts in organizations that have disabled user self-registration, and gain unauthorized access to the system. The same attack vector could be used to authenticate for example using username and password even when this login method was disabled.
Affected Versions
Systems running one of the following versions are affected:
- 4.x:
4.0.0through4.12.0(including RC versions)
Patches
The vulnerability has been addressed in the latest releases. The patch resolves the issue by enforcing the policies on the logiin UI server.
4.x: Upgrade to >=4.12.1
Workarounds
The recommended solution is to upgrade to a patched version.
Questions
If there are any questions or comments about this advisory, please send an email to security@zitadel.com
Credits
ZITADEL extends thanks once again to Amit Laish from GE Vernova for finding and reporting the vulnerability.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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