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Message #61884
[Bug 1668503] Re: sha512_crypt is insufficient, use pdkfd_sha512 for password hashing
** Changed in: keystone
Importance: Critical => High
** Also affects: keystone/mitaka
Importance: Undecided
Status: New
** Also affects: keystone/pike
Importance: High
Assignee: Morgan Fainberg (mdrnstm)
Status: In Progress
** Also affects: keystone/newton
Importance: Undecided
Status: New
** Also affects: keystone/ocata
Importance: Undecided
Status: New
** Description changed:
- Keystone uses sha512_crypt for password hashing. This is completely
- insufficient and provides limited protection (even with 10,000 rounds)
- against brute-forcing of the password hashes (especially with FPGAs
- and/or GPU processing).
+ 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 pdkfd_sha512 instead
of sha512_crypt.
This bug is marked as public security as bug #1543048 has already
highlighted this issue.
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https://bugs.launchpad.net/bugs/1668503
Title:
sha512_crypt is insufficient, use pdkfd_sha512 for password hashing
Status in OpenStack Identity (keystone):
In Progress
Status in OpenStack Identity (keystone) mitaka series:
New
Status in OpenStack Identity (keystone) newton series:
New
Status in OpenStack Identity (keystone) ocata series:
New
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 pdkfd_sha512
instead of sha512_crypt.
This bug is marked as public security as bug #1543048 has already
highlighted this issue.
To manage notifications about this bug go to:
https://bugs.launchpad.net/keystone/+bug/1668503/+subscriptions
References