Public bug reported:

This report is based on Bandit scanner results.

On
https://git.openstack.org/cgit/openstack/nova/tree/nova/console/rfb/authvencrypt.py?h=refs/heads/master#n137

137 wrapped_sock = ssl.wrap_socket(

wrap_socket is used without ssl_version that means SSLv23 by default.
As server part (QEMU) is based on gnutls supporting all modern TLS versions
it is possible to use stricter tls version on the client (TLSv1.2).
Another option is to make this param configurable.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1771773

Title:
  Ssl2/3 should not be used for secure VNC access

Status in OpenStack Compute (nova):
  New

Bug description:
  This report is based on Bandit scanner results.

  On
  
https://git.openstack.org/cgit/openstack/nova/tree/nova/console/rfb/authvencrypt.py?h=refs/heads/master#n137

  137 wrapped_sock = ssl.wrap_socket(

  wrap_socket is used without ssl_version that means SSLv23 by default.
  As server part (QEMU) is based on gnutls supporting all modern TLS versions
  it is possible to use stricter tls version on the client (TLSv1.2).
  Another option is to make this param configurable.

To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1771773/+subscriptions

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