CVE-2024-23824: mailcow ipixel flood attack leads to Denial of Service in admin page
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
mailcowto a version that resolves this vulnerability.Fixed in 2024-01 - Compensating control
Mitigate the pixel flood DoS against the mailcow admin page by rate-limiting/restricting access to the logo upload/admin endpoints until the mailcow container is patched to 2024-01.
Event History
Frequently Asked Questions
What is the severity of CVE-2024-23824?
CVE-2024-23824 has a moderate severity level due to its potential to cause performance degradation in the mailcow application.
How does CVE-2024-23824 affect the mailcow application?
CVE-2024-23824 allows attackers to launch a pixel flood attack that can slow down the application and cause the admin page to become unresponsive.
How do I fix CVE-2024-23824?
To fix CVE-2024-23824, consider updating mailcow to a version released after January 2024 that addresses this vulnerability.
What are pixel flood attacks in the context of CVE-2024-23824?
Pixel flood attacks involve uploading a specially crafted image that overwhelms the application, leading to performance issues.
Is CVE-2024-23824 applicable to all versions of mailcow?
CVE-2024-23824 specifically affects versions of mailcow prior to January 2024.