Title: Vulnerability Report for Ruby Gem karo-2.3.8

Author: Larry W. Cashdollar, @_larry0

Date: 06/01/2014

OSVDB: 108573

CVE:Please Assign

Download: http://rubygems.org/gems/karo

Gem Author: rahul.trikha[at]gmail.com

Author Contacted:6/25/2014

From: ./karo-2.3.8/lib/karo/db.rb

Line 76 and 95 passes unsanitized user supplied input to the command line. If this gem is used in the context of a rails application malicious input could lead to remote command injection.

073-      host = "{@configuration["user"]}@{@configuration["host"]}"
74-      cmd  = "ssh #{host} cat {server_db_config_file}"
76:      server_db_config_output = `{cmd}`

89- def drop_and_create_local_database(local_db_config)

90-      command = case local_db_config["adapter"]
91-      when "mysql2"
93-      when "postgresql"
95-          dropdb -h #{local_db_config["host"]} -U #{local_db_config["username"]} --if-exists #{local_db_config["database"]}

Advisory: http://www.vapid.dhs.org/advisories/karo-2.3.8.html