RubySec

Providing security resources for the Ruby community

CVE-2013-1898 (thumbshooter): Thumbshooter Gem for Ruby thumbshooter.rb URL Shell Metacharacter Injection Arbitrary Command Execution

ADVISORIES

GEM

thumbshooter

SEVERITY

CVSS v2: 7.5

PATCHED VERSIONS

None.

DESCRIPTION

Thumbshooter Gem for Ruby contains a flaw that is due to the program failing to properly sanitize input passed to thumbshooter.rb. With a specially crafted URL that contains shell metacharacters, a context-dependent attacker can execute arbitrary commands.