CVE-2024-37883: deck Access Control Flaw — Fix

Description

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. A user with access to a deck board was able to access comments and attachments of already deleted cards. It is recommended that the Nextcloud Deck app is upgraded to 1.6.6 or 1.7.5 or 1.8.7 or 1.9.6 or 1.11.3 or 1.12.1.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
nextcloud	deck	1.6.0 — 1.6.6
nextcloud	deck	1.7.0 — 1.7.5
nextcloud	deck	1.8.0 — 1.8.7
nextcloud	deck	1.9.0 — 1.9.6
nextcloud	deck	1.11.0 — 1.11.3
nextcloud	deck	All
nextcloud	deck	All
nextcloud	deck	All
nextcloud	deck	All
nextcloud	deck	All
nextcloud	deck	All

References

Advisories & Patches

https://github.com/nextcloud/deck/pull/5423 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x45g-vx69-r9m8 https://github.com/nextcloud/deck/pull/5423 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x45g-vx69-r9m8

Other References

https://hackerone.com/reports/2289333 https://hackerone.com/reports/2289333

Frequently Asked Questions

What is CVE-2024-37883? +

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. A user with access to a deck board was able to access comments and attachments of already deleted cards. It is recommended that the Nextcloud Deck app is upgraded to 1.6.6 or 1.7.5 or 1.8.7 or 1.9.6 or 1.11.3 or 1.12.1. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-37883? +

CVE-2024-37883 has a CVSS v3.1 score of 4.3 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-2024-37883? +

CVE-2024-37883 affects products from nextcloud, specifically: deck. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-37883? +

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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