CVE-2024-29892: zitadel Auth Bypass — Fix

Description

ZITADEL, open source authentication management software, uses Go templates to render the login UI. Under certain circumstances an action could set reserved claims managed by ZITADEL. For example it would be possible to set the claim `urn:zitadel:iam:user:resourceowner:name`. To compensate for this we introduced a protection that does prevent actions from changing claims that start with `urn:zitadel:iam`. This vulnerability is fixed in 2.48.3, 2.47.8, 2.46.5, 2.45.5, 2.44.7, 2.43.11, and 2.42.17.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
zitadel	zitadel	< 2.42.17
zitadel	zitadel	2.43.0 — 2.43.11
zitadel	zitadel	2.44.0 — 2.44.7
zitadel	zitadel	2.45.0 — 2.45.5
zitadel	zitadel	2.46.0 — 2.46.5
zitadel	zitadel	2.47.0 — 2.47.8
zitadel	zitadel	2.48.0 — 2.48.3

References

Advisories & Patches

https://github.com/zitadel/zitadel/security/advisories/GHSA-gp8g-f42f-95q2 https://github.com/zitadel/zitadel/security/advisories/GHSA-gp8g-f42f-95q2

Other References

Frequently Asked Questions

What is CVE-2024-29892? +

ZITADEL, open source authentication management software, uses Go templates to render the login UI. Under certain circumstances an action could set reserved claims managed by ZITADEL. For example it would be possible to set the claim `urn:zitadel:iam:user:resourceowner:name`. To compensate for this we introduced a protection that does prevent actions from changing claims that start with `urn:zitadel:iam`. This vulnerability is fixed in 2.48.3, 2.47.8, 2.46.5, 2.45.5, 2.44.7, 2.43.11, and 2.42.17. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-29892? +

CVE-2024-29892 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-29892? +

CVE-2024-29892 affects products from zitadel, specifically: zitadel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-29892? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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