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Bug 1749790

Summary: OpenSSL advertises ed25519 and ed448 support in CertificateRequest in FIPS mode
Product: Red Hat Enterprise Linux 8 Reporter: Alicja Kario <hkario>
Component: opensslAssignee: Tomas Mraz <tmraz>
Status: CLOSED ERRATA QA Contact: Alicja Kario <hkario>
Severity: medium Docs Contact:
Priority: medium    
Version: 8.0Keywords: Triaged
Target Milestone: rcFlags: pm-rhel: mirror+
Target Release: 8.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: openssl-1.1.1c-9.el8 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-04-28 16:52:04 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Alicja Kario 2019-09-06 12:59:12 UTC 
Description of problem:
When the system is running in FIPS mode, OpenSSL server will still advertise support for Ed25519 and Ed448 signatures in CertificateRequest message in TLS 1.3

Version-Release number of selected component (if applicable):
openssl-1.1.1c-2.el8.x86_64

How reproducible:
always

Steps to Reproduce:
1. set up FIPS mdoe
2. openssl s_server -www -key server/key.pem -cert server/cert.pem -verify 1 -CAfile ca/cert.pem
3.PYTHONPATH=. /usr/libexec/platform-python scripts/test-tls13-certificate-request.py -k client/key.pem -c client/cert.pem -s "sha256+ecdsa sha384+ecdsa sha512+ecdsa rsa_pss_pss_sha256 rsa_pss_pss_sha384 rsa_pss_pss_sha512 rsa_pss_rsae_sha256 rsa_pss_rsae_sha384 rsa_pss_rsae_sha512 rsa_pkcs1_sha256 rsa_pkcs1_sha384 rsa_pkcs1_sha512 sha224+ecdsa rsa_pkcs1_sha224"'

Actual results:
sanity ...
OK

with certificate ...
OK

check sigalgs in cert request ...
Error encountered while processing node <tlsfuzzer.expect.ExpectCertificateRequest object at 0x7f3cbac4a5c0> (child: <tlsfuzzer.expect.ExpectCertificate object at 0x7f3cbac4a5f8>) with last message being: <tlslite.messages.Message object at 0x7f3cbac4d908>
Error while processing
Traceback (most recent call last):
  File "scripts/test-tls13-certificate-request.py", line 275, in main
    runner.run()
  File "/tmp/tmp.onwz9Qge71/tlsfuzzer/tlsfuzzer/runner.py", line 227, in run
    node.process(self.state, msg)
  File "/tmp/tmp.onwz9Qge71/tlsfuzzer/tlsfuzzer/expect.py", line 1020, in process
    self.sig_algs)
AssertionError: Unexpected sig algs. Got: [(4, 3), (5, 3), (6, 3), (8, 7), (8, 8), (8, 9), (8, 10), (8, 11), (8, 4), (8, 5), (8, 6), (4, 1), (5, 1), (6, 1), (3, 3), (3, 1)], expected: [(4, 3), (5, 3), (6, 3), (8, 9), (8, 10), (8, 11), (8, 4), (8, 5), (8, 6), (4, 1), (5, 1), (6, 1), (3, 3), (3, 1)]

sanity ...
OK

Test to verify if server accepts empty certificate messages and
advertises only expected signature algotithms in Certificate
Request message

version: 1

Test end
successful: 3
failed: 1
  'check sigalgs in cert request'

Expected results:

successful: 4
failed: 0

Additional info:
Comment 1 Tomas Mraz 2019-09-06 13:26:03 UTC 
Fortunately ed25519 or ed448 certs are not really used for now. And in RHEL-8.2 this might even become NOTABUG when ed25519 and ed448 is finally approved. However until that happens we should fix this.
Comment 7 errata-xmlrpc 2020-04-28 16:52:04 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, 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-2020:1840
Comment 8 Fedora Update System 2020-05-29 00:57:00 UTC 
FEDORA-EPEL-2020-ff94ccbdec has been pushed to the Fedora EPEL 7 stable repository.
If problem still persists, please make note of it in this bug report.