CVE-2018-4051 Privilege escalation in GOG Galaxy

High 7.1 Published Updated

A local attacker can escalate privileges by exploiting insecure directory permissions in the GOG Galaxy privileged helper tool on macOS.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-4051?

CVE-2018-4051 is a high-severity vulnerability in GOG.COM GOG Galaxy, published on 2 Apr 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An exploitable local privilege escalation vulnerability exists in the privileged helper tool of GOG Galaxy's Games, version 1.2.47 for macOS. An attacker can globally create directories and subdirectories on the root file system, as well as change the permissions of existing directories.

Weakness: CWE-732

Which versions are affected by CVE-2018-4051?

It affects 1 product.

Products include Gog Galaxy.

How do I fix CVE-2018-4051?

No fix has been published for CVE-2018-4051 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-4051 being exploited?

There is no known exploitation of CVE-2018-4051 in the wild and no public exploit code.

Sources

Also known as GHSA-hhmf-h6c6-m327.

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