CVE-2018-18856 describes multiple local privilege escalation vulnerabilities in the LiquidVPN client for macOS, specifically versions through 1.37. An attacker can exploit an unprotected XPC service to execute arbitrary OS commands as root or load malicious kernel extensions due to the com.smr.liquidvpn.OVPNHelper using the system function with an unsanitized parameter. This vulnerability carries a CVSS score of 7.8 (High), indicating a local attack vector with low complexity, leading to high impact on confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, public exploit code exists on ExploitDB (EDB-45782), though there is no evidence of active exploitation, Metasploit modules, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.37CPE matchmatch criteria | cpe:2.3:a:liquidvpn:liquidvpn:*:*:*:*:*:macos:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.