CVE-2013-4203

CVE-2013-4203 describes a remote command execution vulnerability in the rgpg gem for Ruby, specifically affecting versions prior to 0.2.3. Attackers can exploit this by injecting shell metacharacters into unspecified vectors within the self.run_gpg function. With a CVSS score of 7.5 (High), this vulnerability allows for remote execution of arbitrary commands with low attack complexity and no authentication required, potentially leading to partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.