CVE-2024-30270: mailcow\ Path Traversal

Description

mailcow: dockerized is an open source groupware/email suite based on docker. A security vulnerability has been identified in mailcow affecting versions prior to 2024-04. This vulnerability is a combination of path traversal and arbitrary code execution, specifically targeting the `rspamd_maps()` function. It allows authenticated admin users to overwrite any file writable by the www-data user by exploiting improper path validation. The exploit chain can lead to the execution of arbitrary commands on the server. Version 2024-04 contains a patch for the issue.

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CVSS v3.1 Score

6.2

MEDIUM

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
mailcow	mailcow\	< 2024-04

References

Advisories & Patches

https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-4m8r-87gc-3vvp https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-4m8r-87gc-3vvp

Exploits

https://www.sonarsource.com/blog/remote-code-execution-in-mailcow-always-sanitize-error-messages https://www.vicarius.io/vsociety/posts/mailcow-with-xss-and-path-traversal-cve-2024-31204-and-cve-2024-30270

Other References

https://mailcow.email/posts/2024/release-2024-04 https://mailcow.email/posts/2024/release-2024-04

Frequently Asked Questions

What is CVE-2024-30270? +

mailcow: dockerized is an open source groupware/email suite based on docker. A security vulnerability has been identified in mailcow affecting versions prior to 2024-04. This vulnerability is a combination of path traversal and arbitrary code execution, specifically targeting the `rspamd_maps()` function. It allows authenticated admin users to overwrite any file writable by the www-data user by exploiting improper path validation. The exploit chain can lead to the execution of arbitrary commands on the server. Version 2024-04 contains a patch for the issue. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2024-30270? +

CVE-2024-30270 has a CVSS v3.1 score of 6.2 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-2024-30270? +

CVE-2024-30270 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-2024-30270? +

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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