RubyGems is the Ruby standard for publishing and managing third-party libraries. It was found that, when using RubyGems, the connection could be redirected from HTTPS to HTTP. This could lead to a user believing they are installing a gem via HTTPS, when the connection may have been silently downgraded to HTTP. (CVE-2012-2125) It was found that RubyGems did not verify SSL connections. This could lead to man-in-the-middle attacks. (CVE-2012-2126) All users of Red Hat OpenShift Enterprise 1.2.2 are advised to upgrade to this updated package, which corrects these issues.
rhn.redhat.com/errata/RHSA-2013-1203.html
rhn.redhat.com/errata/RHSA-2013-1441.html
rhn.redhat.com/errata/RHSA-2013-1852.html
secunia.com/advisories/55381
www.openwall.com/lists/oss-security/2012/04/20/24
www.ubuntu.com/usn/USN-1582-1/
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=814718
github.com/rubygems/rubygems/blob/1.8/History.txt
rhn.redhat.com/errata/RHSA-2013-1203.html