CVE-2017-7540: rubygem-safemode: Bypassing the whitelist of safe commands via block_pass

Severity: Critical

CVSS Score: 9.8

rubygem-safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibly to privilege escalation.