CVE-2018-16170 Path traversal in Cybozu Remote Service

High 8.1 Published 9 Jan 2019 Updated 5 Aug 2024

Authenticated attackers can read arbitrary files on Cybozu Remote Service for Windows via directory traversal.

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-2018-16170?

CVE-2018-16170 is a high-severity path traversal vulnerability in Cybozu, Inc. Cybozu Remote Service, published on 9 Jan 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Directory traversal vulnerability in Cybozu Remote Service 3.0.0 to 3.1.8 for Windows allows remote authenticated attackers to read arbitrary files via unspecified vectors.

Weakness: CWE-22

Which versions are affected by CVE-2018-16170?

It affects 1 product.

Products include Cybozu Remote Service Manager.

How do I fix CVE-2018-16170?

No fix has been published for CVE-2018-16170 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-2018-16170 being exploited?

There is no known exploitation of CVE-2018-16170 in the wild and no public exploit code.

Sources

Also known as GHSA-46cr-655v-r7wg.