Upstream patch merged: https://review.openstack.org/#/c/554422/

Moving bug to POST

According to our records, this should be resolved by puppet-tripleo-5.6.8-6.el7ost.  This build is available now.

Verified , 

[stack@undercloud-0 ~]$ ansible overcloud -b -mshell -a'rpm -qa|grep puppet-tripleo;grep ssl_version /usr/share/openstack-puppet/modules/tripleo/manifests/stunnel/service_proxy.pp'

core_puddle_version : 2018-05-25.1


Minimum TLS version is enforced : 

controller-1 | SUCCESS | rc=0 >>
puppet-tripleo-8.3.2-6.el7ost.noarch
# [*ssl_version*]
  $ssl_version = 'TLSv1.2'

controller-2 | SUCCESS | rc=0 >>
puppet-tripleo-8.3.2-6.el7ost.noarch
# [*ssl_version*]
  $ssl_version = 'TLSv1.2'

controller-0 | SUCCESS | rc=0 >>
puppet-tripleo-8.3.2-6.el7ost.noarch
# [*ssl_version*]
  $ssl_version = 'TLSv1.2'

overcloud-novacomputeiha-0 | SUCCESS | rc=0 >>
puppet-tripleo-8.3.2-6.el7ost.noarch
# [*ssl_version*]
  $ssl_version = 'TLSv1.2'

overcloud-novacomputeiha-1 | SUCCESS | rc=0 >>
puppet-tripleo-8.3.2-6.el7ost.noarch
# [*ssl_version*]
  $ssl_version = 'TLSv1.2'

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:2101