CVE-2017-15894 Path traversal in Synology DiskStation Manager (DSM)

Medium 6.5 Published 8 Dec 2017 Updated 16 Sep 2024

Authenticated attackers can write arbitrary files to the system via a directory traversal flaw in the file extraction module.

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-2017-15894?

CVE-2017-15894 is a medium-severity path traversal vulnerability in Synology Diskstation Manager, published on 8 Dec 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Directory traversal vulnerability in the SYNO.FileStation.Extract in Synology DiskStation Manager (DSM) 6.0.x before 6.0.3-8754-3 and before 5.2-5967-6 allows remote authenticated users to write arbitrary files via the dest_folder_path parameter.

Weakness: CWE-22

Which versions are affected by CVE-2017-15894?

It affects 1 product.

Products include Synology Diskstation Manager.

How do I fix CVE-2017-15894?

No fix has been published for CVE-2017-15894 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-2017-15894 being exploited?

There is no known exploitation of CVE-2017-15894 in the wild and no public exploit code.

All Synology Diskstation Manager vulnerabilities

Sources

Also known as GHSA-xr4j-xq43-8mv2.