CVE-2018-10900
Publication date 26 July 2018
Last updated 25 August 2025
Ubuntu priority
Description
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| network-manager-vpnc | 18.04 LTS bionic |
Fixed 1.2.4-6ubuntu0.1
|
| 16.04 LTS xenial |
Fixed 1.1.93-1ubuntu0.1
|
|
| 14.04 LTS trusty |
Fixed 0.9.8.6-1ubuntu2.1
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |