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Bug 1749068 - OpenSSL generates malformed status_request extension in CertificateRequest message in TLS 1.3
Summary: OpenSSL generates malformed status_request extension in CertificateRequest me...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: openssl
Version: 8.0
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: 8.2
Assignee: Tomas Mraz
QA Contact: Hubert Kario
Jan Fiala
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-09-04 19:31 UTC by Hubert Kario
Modified: 2020-05-29 00:56 UTC (History)
5 users (show)

Fixed In Version: openssl-1.1.1c-9.el8
Doc Type: Known Issue
Doc Text:
.OpenSSL generates a malformed `status_request` extension in the `CertificateRequest` message in TLS 1.3 OpenSSL servers send a malformed `status_request` extension in the `CertificateRequest` message if support for the `status_request` extension and client certificate-based authentication are enabled. In such case, OpenSSL does not interoperate with implementations compliant with the `RFC 8446` protocol. As a result, clients that properly verify extensions in the `CertificateRequest` message abort connections with the OpenSSL server. To work around this problem, disable support for the TLS 1.3 protocol on either side of the connection or disable support for `status_request` on the OpenSSL server. This will prevent the server from sending malformed messages.
Clone Of:
Environment:
Last Closed: 2020-04-28 16:51:58 UTC
Type: Bug
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github openssl openssl issues 9767 0 'None' closed OpenSSL servers can send a non-empty status_request in a CertificateRequest 2020-12-15 09:29:03 UTC
Github tomato42 tlsfuzzer pull 611 0 'None' closed TLS 1.3 CertificateRequest extensions 2020-12-15 09:29:03 UTC
Red Hat Product Errata RHSA-2020:1840 0 None None None 2020-04-28 16:52:16 UTC

Description Hubert Kario 2019-09-04 19:31:12 UTC
Description of problem:
when OpenSSL is set up to support status_request extension and ask for client certificates, the CertificateRequest message will include a malformed status_request extension (a copy of the one sent in Certificate message).

Additional info:
https://github.com/golang/go/issues/34040
bug 1737471

I have not tried to reproduce it with RHEL version, but given information from above bugs, it does look like RHEL's version of OpenSSL is also affected.

Comment 18 errata-xmlrpc 2020-04-28 16:51:58 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 20 Fedora Update System 2020-05-29 00:56:58 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.


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