CVE-2024-37317: notes Access Control Flaw — Fix

Description

The Nextcloud Notes app is a distraction free notes taking app for Nextcloud. If an attacker managed to share a folder called `Notes/` with a newly created user before they logged in, the Notes app would use that folder store the personal notes. It is recommended that the Nextcloud Notes app is upgraded to 4.9.3.

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CVSS v3.1 Score

4.6

MEDIUM

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

Weakness Type (CWE)

CWE-284 CWE-284

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
nextcloud	notes	4.6.0 — 4.9.3

References

Advisories & Patches

https://github.com/nextcloud/notes/pull/1260 https://github.com/nextcloud/notes/pull/1260

Other References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wfqv-cx85-7rjx https://hackerone.com/reports/2254151 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wfqv-cx85-7rjx https://hackerone.com/reports/2254151

Frequently Asked Questions

What is CVE-2024-37317? +

The Nextcloud Notes app is a distraction free notes taking app for Nextcloud. If an attacker managed to share a folder called `Notes/` with a newly created user before they logged in, the Notes app would use that folder store the personal notes. It is recommended that the Nextcloud Notes app is upgraded to 4.9.3. It has a CVSS v3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2024-37317? +

CVE-2024-37317 has a CVSS v3.1 score of 4.6 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-2024-37317? +

CVE-2024-37317 affects products from nextcloud, specifically: notes. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-37317? +

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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