Zitadel up to 2.63.4 Registration /ui/login/loginname access control

Summaryinfo

A vulnerability has been found in Zitadel up to 2.63.4 and classified as critical. Affected by this issue is some unknown functionality of the file /ui/login/loginname of the component Registration Handler. Performing a manipulation results in access control. This vulnerability is known as CVE-2024-49757. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Zitadel up to 2.63.4. This affects an unknown part of the file /ui/login/loginname of the component Registration Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality. The summary by CVE is:

The open-source identity infrastructure software Zitadel allows administrators to disable the user self-registration. Due to a missing security check in versions prior to 2.64.0, 2.63.5, 2.62.7, 2.61.4, 2.60.4, 2.59.5, and 2.58.7, disabling the "User Registration allowed" option only hid the registration button on the login page. Users could bypass this restriction by directly accessing the registration URL (/ui/login/loginname) and register a user that way. Versions 2.64.0, 2.63.5, 2.62.7, 2.61.4, 2.60.4, 2.59.5, and 2.58.7 contain a patch. No known workarounds are available.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2024-49757 since 10/18/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 210390 (SUSE SLES15 / openSUSE 15 Security Update : govulncheck-vulndb (SUSE-SU-2024:3911-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.58.6, 2.59.4, 2.60.3, 2.61.3, 2.62.7, 2.63.5 or 2.64.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (210390). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Zitadel

Version

• 2.58.0
• 2.58.1
• 2.58.2
• 2.58.3
• 2.58.4
• 2.58.5
• 2.59.0
• 2.59.1
• 2.59.2
• 2.59.3
• 2.60.0
• 2.60.1
• 2.60.2
• 2.61.0
• 2.61.1
• 2.61.2
• 2.62.0
• 2.62.1
• 2.62.2
• 2.62.3
• 2.62.4
• 2.62.5
• 2.62.6
• 2.63.0
• 2.63.1
• 2.63.2
• 2.63.3
• 2.63.4

Website

• Product: https://github.com/zitadel/zitadel/

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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