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CVE-2018-10900

Published: 26 July 2018

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.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
network-manager-vpnc
Launchpad, Ubuntu, Debian
upstream
Released (1.2.6)
precise Does not exist

trusty Does not exist
(trusty was released [0.9.8.6-1ubuntu2.1])
xenial
Released (1.1.93-1ubuntu0.1)
bionic
Released (1.2.4-6ubuntu0.1)
Patches:
upstream: https://gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4e361a27ef48ac757d36cbb46e8e12

Severity score breakdown

Parameter Value
Base score 7.8
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