CVE-2024-23824: mailcow\ DoS — Exploit & Fix

Description

mailcow is a dockerized email package, with multiple containers linked in one bridged network. The application is vulnerable to pixel flood attack, once the payload has been successfully uploaded in the logo the application goes slow and doesn't respond in the admin page. It is tested on the versions 2023-12a and prior and patched in version 2024-01.

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CVSS v3.1 Score

4.7

MEDIUM

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

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
mailcow	mailcow\	< 2024-01

References

Advisories & Patches

https://github.com/mailcow/mailcow-dockerized/commit/7f6f7e0e9ff608618e5b144bcf18d279610aa3ed https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-45rv-3c5p-w4h7 https://github.com/mailcow/mailcow-dockerized/commit/7f6f7e0e9ff608618e5b144bcf18d279610aa3ed https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-45rv-3c5p-w4h7

Exploits

https://github.com/0xbunniee/MailCow-Pixel-Flood-Attack https://github.com/0xbunniee/MailCow-Pixel-Flood-Attack

Frequently Asked Questions

What is CVE-2024-23824? +

mailcow is a dockerized email package, with multiple containers linked in one bridged network. The application is vulnerable to pixel flood attack, once the payload has been successfully uploaded in the logo the application goes slow and doesn't respond in the admin page. It is tested on the versions 2023-12a and prior and patched in version 2024-01. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-23824? +

CVE-2024-23824 has a CVSS v3.1 score of 4.7 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-2024-23824? +

CVE-2024-23824 affects products from mailcow, specifically: mailcow\. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23824? +

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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