Bugzilla before 4.0.16, 4.1.x and 4.2.x before 4.2.12, 4.3.x and 4.4.x
before 4.4.7, and 5.x before 5.0rc1 allows remote authenticated users to
execute arbitrary commands by leveraging the editcomponents privilege and
triggering crafted input to a two-argument Perl open call, as demonstrated
by shell metacharacters in a product name.