CVE-2015-4020

A flaw was found in a way rubygems verified the API endpoint hostname retrieved through a DNS SRV record. A man-in-the-middle attacker could use this flaw to force a client to download content from an untrusted domain.

This issue did not affect the versions of rubygems as shipped with Red Hat Enterprise Linux 6, Red Hat Enterprise MRG 2.5, Red Hat Satellite 6, Red Hat Openstack 5, Red Hat Openshift Enterprise 2, as the packages did not include the incomplete fix.

This issue did not affect the versions of ruby as shipped with Red Hat Enterprise Linux 5, 6 and 7, Red Hat Subscription Asset Manager and Red Hat Software Collections, as the packages did not include the incomplete fix.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.