CVE-2024-52508: mail Information Disclosure — Fix

Description

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like [email protected] that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0.

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CVSS v3.1 Score

8.2

HIGH

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

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
nextcloud	mail	1.9.0 — 1.14.6
nextcloud	mail	1.15.0 — 1.15.4
nextcloud	mail	2.1.0 — 2.2.11
nextcloud	mail	3.1.0 — 3.6.3
nextcloud	mail	3.7.0 — 3.7.7

References

Advisories & Patches

https://github.com/nextcloud/mail/commit/a84c70e15d814dab6f0e8eda71bbaaf48152079b https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vmhx-hwph-q6mc

Other References

https://github.com/nextcloud/mail/pull/9964 https://hackerone.com/reports/2508422

Frequently Asked Questions

What is CVE-2024-52508? +

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like [email protected] that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2024-52508? +

CVE-2024-52508 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-52508? +

CVE-2024-52508 affects products from nextcloud, specifically: mail. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-52508? +

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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