CVE-2018-18858 Command injection in n/a

High 7.8 Published 20 Nov 2018 Updated 5 Aug 2024

Local attackers can execute arbitrary OS commands as root via unprotected XPC service in LiquidVPN client for macOS.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-18858?

CVE-2018-18858 is a high-severity command injection vulnerability in n/a, published on 20 Nov 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple local privilege escalation vulnerabilities have been identified in the LiquidVPN client through 1.37 for macOS. An attacker can communicate with an unprotected XPC service and directly execute arbitrary OS commands as root or load a potentially malicious kernel extension because com.smr.liquidvpn.OVPNHelper uses the system function to execute the "tun_path" or "tap_path" pathname within a shell command.

Weakness: CWE-78

Which versions are affected by CVE-2018-18858?

It affects 1 product.

Products include Liquidvpn Liquidvpn.

How do I fix CVE-2018-18858?

No fix has been published for CVE-2018-18858 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-18858 being exploited?

There is no known exploitation of CVE-2018-18858 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-7fgm-28x4-rcfp.