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Bug 2155607 - PKINIT: CMS SHA-1 signature verification cannot be allowed in FIPS mode
Summary: PKINIT: CMS SHA-1 signature verification cannot be allowed in FIPS mode
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: krb5
Version: 9.1
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Julien Rische
QA Contact: Michal Polovka
David Voženílek
URL:
Whiteboard:
Depends On:
Blocks: 2209717 2214300
TreeView+ depends on / blocked
 
Reported: 2022-12-21 15:58 UTC by Jeremy Absher
Modified: 2024-11-20 15:13 UTC (History)
10 users (show)

Fixed In Version: krb5-1.21.1-1.el9
Doc Type: Known Issue
Doc Text:
.A workaround to preserve RHEL-Windows interoperability in RHEL 9 is now available In RHEL 9, the FIPS-140-3 standard does not allow SHA-1 signatures. Consequently, PKINIT authentication does not work between Microsoft Windows and RHEL hosts in FIPS mode because Windows only complies with the FIPS-140-2 standard, which allows SHA-1 signatures. To work around the problem, this update introduces a FIPS exception for PKINIT signature verification, allowing SHA-1 checksum and signature verification (not generation) for PKINIT authentication. Note that with this exception applied, the `SHA1` cryptographic module still remains disabled by default in FIPS mode. For more information, see the link:https://access.redhat.com/solutions/7003853[AD Domain Users unable to login in to the FIPS-compliant environment] KCS solution.
Clone Of:
: 2209717 2214300 (view as bug list)
Environment:
Last Closed: 2023-11-07 08:56:13 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker FREEIPA-9237 0 None None None 2022-12-21 16:11:30 UTC
Red Hat Issue Tracker RHELPLAN-143052 0 None None None 2022-12-21 16:11:34 UTC
Red Hat Product Errata RHSA-2023:6699 0 None None None 2023-11-07 08:56:50 UTC

Comment 47 errata-xmlrpc 2023-11-07 08:56:13 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: krb5 security and bug fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2023:6699
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