CVE-2018-7300 Path traversal in n/a

Critical 9.8 Published 22 Feb 2018 Updated 5 Aug 2024

Unauthenticated attackers can exploit a directory traversal flaw to write arbitrary files and execute remote code on Homematic CCU2 devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-7300?

CVE-2018-7300 is a critical path traversal vulnerability in n/a, published on 22 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

Weakness: CWE-22

Which versions are affected by CVE-2018-7300?

It affects 1 product.

Products include Eq-3 Homematic Ccu2 Firmware.

How do I fix CVE-2018-7300?

No fix has been published for CVE-2018-7300 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-7300 being exploited?

There is no known exploitation of CVE-2018-7300 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-64v8-x795-vgp3.