[Openstack-security] [Bug 1668503] Re: sha512_crypt is insufficient, use pbkdf2_sha512 for password hashing

OpenStack Infra 1668503 at bugs.launchpad.net
Fri May 19 00:38:38 UTC 2017


** Changed in: keystone
     Assignee: Morgan Fainberg (mdrnstm) => Gage Hugo (gagehugo)

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https://bugs.launchpad.net/bugs/1668503

Title:
  sha512_crypt is insufficient, use pbkdf2_sha512 for password hashing

Status in OpenStack Identity (keystone):
  In Progress
Status in OpenStack Identity (keystone) mitaka series:
  Won't Fix
Status in OpenStack Identity (keystone) newton series:
  Won't Fix
Status in OpenStack Identity (keystone) ocata series:
  Won't Fix
Status in OpenStack Identity (keystone) pike series:
  In Progress
Status in OpenStack Security Advisory:
  Incomplete

Bug description:
  Keystone uses sha512_crypt for password hashing. This is insufficient
  and provides limited protection (even with 10,000 rounds) against
  brute-forcing of the password hashes (especially with FPGAs and/or GPU
  processing).

  The correct mechanism is to use bcrypt, scrypt, or pbkdf2_sha512
  instead of sha512_crypt.

  This bug is marked as public security as bug #1543048 has already
  highlighted this issue.

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