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Bug 1510313 - FreeIPA - Password+OTP does not work in FIPS
Summary: FreeIPA - Password+OTP does not work in FIPS
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: doc-Linux_Domain_Identity_Management_Guide
Version: 7.4
Hardware: Unspecified
OS: Unspecified
high
unspecified
Target Milestone: rc
: ---
Assignee: Lucie Vařáková
QA Contact: ipa-qe
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-11-07 07:49 UTC by Standa Laznicka
Modified: 2019-03-06 01:00 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-04-13 07:59:09 UTC
Target Upstream Version:
Embargoed:
fhanzelk: needinfo+
lmanasko: needinfo+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1486286 0 unspecified CLOSED IPA failing to authenticate via password+OTP on RHEL7.4 with fips enabled 2021-06-10 12:54:27 UTC

Internal Links: 1486286

Description Standa Laznicka 2017-11-07 07:49:58 UTC 
Description of problem:
Due to an internal use of RADIUS which uses MD5, password + OTP login in FIPS mode is not possible for FreeIPA users. This should be documented.
Comment 2 Aneta Šteflová Petrová 2017-11-07 08:31:53 UTC 
An admonition somewhere in 22.2. One-Time Passwords could fix this.

FIPS as such is described in 2.1.2. System Requirements, but I don't think we need to add anything there.

Standa, do you think we should also document this as a known issue in the 7.4 Release Notes? It sounds important enough.
Comment 4 Standa Laznicka 2017-11-07 08:52:55 UTC 
This is rather a missing feature than an issue. OTP logins would be possible should EAP be implemented for RADIUS auth to get rid of the need for MD5 checksums. Not sure if that makes a difference in documenting it, though. It definitely should be documented, at least in the release notes, as OTP logins work in non-FIPS environments and thus a customer may expect they would work in FIPS, too.
Comment 5 Aneta Šteflová Petrová 2017-11-07 09:01:53 UTC 
Ok, thanks for the explanation! Instead of a known issue, it might make more sense to just add a statement about this to the FIPS release note then. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.4_release_notes/new_features_authentication_and_interoperability  But the final decision will be on whoever ends up working on this doc bug.
Comment 7 Raymond Page 2017-12-07 14:49:43 UTC 
This should be considered an issue if IPA FIPS mode is to be considered valuable in environments that require multifactor authentication. I view this as a bug against IPA in RHEL 7.4, and would appreciate a documentation errata in the release notes and a proper bug fix of the RADIUS configuration in the future.
Comment 11 Petr Vobornik 2018-02-14 16:46:50 UTC 
There is a new RFE bug 1544679 to cover the missing F2A (password+otp) functionality in FIPS mode.
Comment 13 Martin Kosek 2018-02-22 11:22:26 UTC 
Lucie, we recently hit questions and what can or cannot be done in FIPS mode when investigating Bug 1544679. Based on the experience, I would have additional suggestion on top of what is proposed in the bug:

FIPS requirements and expectations are now described within
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/linux_domain_identity_authentication_and_policy_guide/installing-ipa#prerequisites

However, I think we should have a separate section on FIPS, stating what does or does not work in FIPS mode (i.e. information from this bug and what is in Prerequisites already), so that government customers can easily find that information out. If this is a separate section, another benefit would be that it appears in the guide Content Highlights. When I search "FIPS" in
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/linux_domain_identity_authentication_and_policy_guide/index
right now, I get no results. Does that make sense?
Comment 17 Martin Kosek 2018-03-22 16:05:29 UTC 
(In reply to Martin Kosek from comment #13)
> ... I think we should have a separate section on FIPS, stating what
> does or does not work in FIPS mode (i.e. information from this bug and what
> is in Prerequisites already)...

Lucie asked to file a separate bug for this change - here it is: Bug 1559484.
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