CVE-2019-14450 Path traversal in n/a

Critical 9.8 Published 28 Oct 2019 Updated 5 Aug 2024

Directory traversal in Repetier-Server allows attackers to write files, enabling remote code execution when combined with another vulnerability.

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-2019-14450?

CVE-2019-14450 is a critical path traversal vulnerability in n/a, published on 28 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A directory traversal vulnerability was discovered in RepetierServer.exe in Repetier-Server 0.8 through 0.91 that allows for the creation of a user controlled XML file at an unintended location. When this is combined with CVE-2019-14451, an attacker can upload an "external command" configuration as a printer configuration, and achieve remote code execution. After exploitation, loading of the external command configuration is dependent on a system reboot or service restart.

Weakness: CWE-22

Which versions are affected by CVE-2019-14450?

It affects 1 product.

Products include Repetier-Server Repetier-Server.

How do I fix CVE-2019-14450?

No fix has been published for CVE-2019-14450 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-2019-14450 being exploited?

There is no known exploitation of CVE-2019-14450 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-p63w-mxmx-g58f.