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CVE-2024-24760 Mailcow Docker Container Exposure to Local Network

High 8.8 Published Updated

Attackers on the same subnet can access internal Docker container ports despite localhost binding, potentially exposing sensitive data or services.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-24760?

CVE-2024-24760 is a high-severity vulnerability in mailcow-dockerized, published on 2 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

mailcow is a dockerized email package, with multiple containers linked in one bridged network. A security vulnerability has been identified in mailcow affecting versions < 2024-01c. This vulnerability potentially allows attackers on the same subnet to connect to exposed ports of a Docker container, even when the port is bound to 127.0.0.1. The vulnerability has been addressed by implementing additional iptables/nftables rules. These rules drop packets for Docker containers on ports 3306, 6379, 8983, and 12345, where the input interface is not `br-mailcow` and the output interface is `br-mailcow`.

Weakness: CWE-610

Which versions are affected by CVE-2024-24760?

It affects 1 product.

Products include Mailcow Mailcow\.

How do I fix CVE-2024-24760?

No fix has been published for CVE-2024-24760 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-24760 being exploited?

There is no known exploitation of CVE-2024-24760 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-gmpj-5xcm-xxx6.

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