CVE-2024-23824 mailcow ipixel flood attack leads to Denial of Service in admin page
Attackers can cause denial of service in the mailcow admin page by uploading a malicious pixel flood payload to the logo.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-23824?
CVE-2024-23824 is a medium-severity denial of service vulnerability in mailcow-dockerized, published on 2 Feb 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-400
Which versions are affected by CVE-2024-23824?
It affects 1 product.
Products include Mailcow Mailcow\.
How do I fix CVE-2024-23824?
No fix has been published for CVE-2024-23824 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-23824 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-23824 exists.
Other vulnerabilities in mailcow-dockerized
- CVE-2025-53909 mailcow: dockerized vulnerable to SSTI in Quota and Quarantine Notification Template
- CVE-2024-24760 Mailcow Docker Container Exposure to Local Network
- CVE-2023-34108 Manipulation of Internal Dovecot Variables in mailcow via crafted Passwords
- CVE-2022-31138 OS Command Injection in mailcow
- CVE-2022-31245 Command injection in n/a
Sources
Also known as GHSA-45rv-3c5p-w4h7.