CVE-2024-52510: desktop Cert Validation Flaw — Fix

Description

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It is recommended that the Nextcloud Desktop client is upgraded to 3.14.2 or later.

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CVSS v3.1 Score

4.2

MEDIUM

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

Weakness Type (CWE)

CWE-295 CWE-295

Affected Products

Vendor	Product	Versions
nextcloud	desktop	3.0.0 — 3.14.2

References

Advisories & Patches

https://github.com/nextcloud/desktop/commit/97539218e6f63c3a3fd1694cb7d8aef27c5910d7 https://github.com/nextcloud/desktop/pull/7333

Other References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-r4qc-m9mj-452v https://hackerone.com/reports/2597504

Frequently Asked Questions

What is CVE-2024-52510? +

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It is recommended that the Nextcloud Desktop client is upgraded to 3.14.2 or later. It has a CVSS v3.1 base score of 4.2 (MEDIUM).

How severe is CVE-2024-52510? +

CVE-2024-52510 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-2024-52510? +

CVE-2024-52510 affects products from nextcloud, specifically: desktop. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-52510? +

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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CVE-2024-52510