[Bug 1815439] Re: python-boto needs to support SNI for OpenSSL 1.1.1

[Francis Ginther]

** Tags added: id-5c6154852a93b980fb9074b2

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https://bugs.launchpad.net/bugs/1815439

Title:
  python-boto needs to support SNI for OpenSSL 1.1.1

Status in python-boto package in Ubuntu:
  Fix Released
Status in python-boto source package in Bionic:
  Fix Committed
Status in python-boto source package in Cosmic:
  Fix Committed
Status in python-boto package in Debian:
  Fix Released

Bug description:
  [Impact]

   * OpenSSL 1.1.1 performs SNI hostname verification, therefore
  hostname SSL context option must be set when establishing the
  connection, otherwise, validation of SNI certificates fail and thus
  resulting in lack of connectivity.

  [Test Case]

   * use python-boto to connect to an SNI tls protected host, e.g. GCE
  google storage using legacy .boto

  [Regression Potential]

   * change is compatible with pythons/openssl versions shipped in bionic/cosmic-release
   * change is from upstream / tested in debian & disco
   * change improves security, and is compatible with deployed servers out there
   * hosts with certificates not matching their actual hostname will remain invalid/untrusted

  [Additional info]
  To install python & openssl 1.1.1 on Bionic you may enable and use the below silo, which will then exhibit the enforcement of SNI hostname verification.

  sudo add-apt-repository ppa:ci-train-ppa-service/3473
  sudo apt-get update

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