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This Metasploit module exploits an injection vulnerability in the Network Manager VPNC plugin to gain root privileges. This Metasploit module uses a new line injection vulnerability in the configured username for a VPN network connection to inject a `Password helper` configuration directive into the connection configuration. The specified helper is executed by Network Manager as root when the connection is started. Network Manager VPNC versions prior to 1.2.6 are vulnerable. This Metasploit module has been tested successfully with VPNC versions: 1.2.4-4 on Debian 9.0.0 (x64); and 1.1.93-1 on Ubuntu Linux 16.04.4 (x64). View the full article