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GHSA-cvw9-c57h-3397
No affected components available
Impact
ZITADEL provides users the ability to list all user sessions of the current user agent (browser) by API and in the Console UI.
Due to a missing check, user sessions without that information (e.g. when created though the session service) were incorrectly listed exposing potentially other user's sessions.
Note that the Login UI was never affected and there was no possibility to take over such a session.
Patches
2.x versions are fixed on >= 2.55.1 2.54.x versions are fixed on >= 2.54.5 2.53.x versions are fixed on >= 2.53.8
ZITADEL recommends upgrading to the latest versions available in due course.
Workarounds
There is no workaround since a patch is already available.
References
- https://github.com/zitadel/zitadel/pull/8231
- https://discord.com/channels/927474939156643850/1254096852937347153
- https://github.com/zitadel/zitadel/issues/8213
Questions
If you have any questions or comments about this advisory, please email us at security@zitadel.com
Credits
Thanks to @cybertransformer, @Avolicious, @AmirhoseinBrz and @srividyaj 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 needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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