Description
The printDirect function in lib/printer.js in the node-printer module 0.0.1 and earlier for Node.js allows remote attackers to execute arbitrary commands via unspecified characters in the lpr command.
Remediation
References
https://nodesecurity.io/advisories/printer_potential_command_injection
https://github.com/tojocky/node-printer/commit/e001e38738c17219a1d9dd8c31f7d82b9c0013c7
http://www.openwall.com/lists/oss-security/2014/05/15/2
http://www.openwall.com/lists/oss-security/2014/05/13/1