CVE-2024-38361: spicedb — Exploit & Fix

Description

Spicedb is an Open Source, Google Zanzibar-inspired permissions database to enable fine-grained authorization for customer applications. Use of an exclusion under an arrow that has multiple resources may resolve to `NO_PERMISSION` when permission is expected. If the resource exists under *multiple* folders and the user has access to view more than a single folder, SpiceDB may report the user does not have access due to a failure in the exclusion dispatcher to request that *all* the folders in which the user is a member be returned. Permission is returned as `NO_PERMISSION` when `PERMISSION` is expected on the `CheckPermission` API. This issue has been addressed in version 1.33.1. All users are advised to upgrade. There are no known workarounds for this issue.

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CVSS v3.1 Score

3.7

LOW

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

Weakness Type (CWE)

CWE-281 CWE-281

Affected Products

Vendor	Product	Versions
authzed	spicedb	< 1.33.1

References

Advisories & Patches

https://github.com/authzed/spicedb/commit/ecef31d2b266fde17eb2c3415e2ec4ceff96fbeb https://github.com/authzed/spicedb/security/advisories/GHSA-grjv-gjgr-66g2 https://github.com/authzed/spicedb/commit/ecef31d2b266fde17eb2c3415e2ec4ceff96fbeb https://github.com/authzed/spicedb/security/advisories/GHSA-grjv-gjgr-66g2

Exploits

https://github.com/authzed/spicedb/security/advisories/GHSA-grjv-gjgr-66g2 https://github.com/authzed/spicedb/security/advisories/GHSA-grjv-gjgr-66g2

Frequently Asked Questions

What is CVE-2024-38361? +

Spicedb is an Open Source, Google Zanzibar-inspired permissions database to enable fine-grained authorization for customer applications. Use of an exclusion under an arrow that has multiple resources may resolve to `NO_PERMISSION` when permission is expected. If the resource exists under *multiple* folders and the user has access to view more than a single folder, SpiceDB may report the user does not have access due to a failure in the exclusion dispatcher to request that *all* the folders in which the user is a member be returned. Permission is returned as `NO_PERMISSION` when `PERMISSION` is expected on the `CheckPermission` API. This issue has been addressed in version 1.33.1. All users are advised to upgrade. There are no known workarounds for this issue. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2024-38361? +

CVE-2024-38361 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2024-38361? +

CVE-2024-38361 affects products from authzed, specifically: spicedb. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-38361? +

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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