CVE-2024-23823: vantage6 Auth Bypass — Fix

Description

vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. The vantage6 server has no restrictions on CORS settings. It should be possible for people to set the allowed origins of the server. The impact is limited because v6 does not use session cookies. This issue has been addressed in commit `70bb4e1d8` and is expected to ship in subsequent releases. Users are advised to upgrade as soon as a new release is available. There are no known workarounds for this vulnerability.

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CVSS v3.1 Score

4.2

MEDIUM

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

Weakness Type (CWE)

CWE-863 Incorrect Authorization

CWE-942 CWE-942

Affected Products

Vendor	Product	Versions
vantage6	vantage6	< 4.2.1

References

Advisories & Patches

https://github.com/vantage6/vantage6/commit/70bb4e1d889230a841eb364d6c03accd7dd01a41 https://github.com/vantage6/vantage6/security/advisories/GHSA-4946-85pr-fvxh https://github.com/vantage6/vantage6/commit/70bb4e1d889230a841eb364d6c03accd7dd01a41 https://github.com/vantage6/vantage6/security/advisories/GHSA-4946-85pr-fvxh

Frequently Asked Questions

What is CVE-2024-23823? +

vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. The vantage6 server has no restrictions on CORS settings. It should be possible for people to set the allowed origins of the server. The impact is limited because v6 does not use session cookies. This issue has been addressed in commit `70bb4e1d8` and is expected to ship in subsequent releases. Users are advised to upgrade as soon as a new release is available. There are no known workarounds for this vulnerability. It has a CVSS v3.1 base score of 4.2 (MEDIUM).

How severe is CVE-2024-23823? +

CVE-2024-23823 has a CVSS v3.1 score of 4.2 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-2024-23823? +

CVE-2024-23823 affects products from vantage6, specifically: vantage6. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23823? +

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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