RCE in GNOME Network Manager Vpnc

CVE-2018-10900

Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.051 (91.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-10900?
CVE-2018-10900 is a high-severity vulnerability in GNOME Network Manager Vpnc, classified under OS Command Injection. CVSS score: 7.8/10. Published 2018-07-26.
How severe is CVE-2018-10900?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-10900 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.