RCE in Liquidvpn
CVE-2018-18859
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 value of the "tun_path" or "tap_path" pathname in a kextload() call.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/150137/LiquidVPN-For-macOS-1.3.7-Privilege-Escala… (Exploit, VDB Entry, Third Party Advisory)
- www.exploit-db.com/exploits/45782/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- seclists.org/fulldisclosure/2018/Nov/1 (mailing-list, Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-18859?
- CVE-2018-18859 is a high-severity vulnerability in Liquidvpn, classified under OS Command Injection. CVSS score: 7.8/10. Published 2018-11-20.
- How severe is CVE-2018-18859?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-18859 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.