lib/string_utf_support.rb in the Arabic Prawn 0.0.1 gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) downloaded_file or (2) url variable.
"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')"
CVSS Severity (version 2.0):
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
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[oss-security] 20140312 Re: Remote Command Injection in Arabic Prawn 0.0.1 Ruby Gem
[oss-security] 20140310 Remote Command Injection in Arabic Prawn 0.0.1 Ruby Gem
Vulnerable software and versions