Bug 1714245

Summary:	DSA ciphers in TLS don't work with SHA-1 signatures even in LEGACY level
Product:	Red Hat Enterprise Linux 8	Reporter:	Alicja Kario <hkario>
Component:	openssl	Assignee:	Tomas Mraz <tmraz>
Status:	CLOSED ERRATA	QA Contact:	bsmejkal
Severity:	medium	Docs Contact:
Priority:	medium
Version:	8.1	CC:	bsmejkal, szidek
Target Milestone:	rc	Keywords:	Regression
Target Release:	8.1	Flags:	pm-rhel: mirror+
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	openssl-1.1.1c-1.el8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-05 22:40:19 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 2019-05-27 13:41:47 UTC

Description of problem:
When system is switched to LEGACY mode and httpd is configured with DSA certificates, wget is unable to connect to it.

Version-Release number of selected component (if applicable):
openssl-1.1.1b-5.el8.x86_64
gnutls-3.6.5-2.el8.x86_64
mod_ssl-2.4.37-11.module+el8.0.0+2969+90015743.x86_64

How reproducible:
always

Steps to Reproduce:
1. configure httpd with dsa certificate
2. wget https://localhost
3.

Actual results:
--2019-05-27 09:38:09--  https://localhost/test.txt
Loaded CA certificate 'ca/cert.pem'
Resolving localhost (localhost)... ::1, 127.0.0.1
Connecting to localhost (localhost)|::1|:443... connected.
GnuTLS: A TLS fatal alert has been received.
GnuTLS: received alert [40]: Handshake failed
Unable to establish SSL connection.

Expected results:
connection successful, index file downloaded

Additional info:
Works fine with
gnutls-3.6.5-2.el8.x86_64
openssl-1.1.1-8.el8.x86_64
mod_ssl-2.4.37-10.module+el8+2764+7127e69e.x86_64

Comment 9 errata-xmlrpc 2019-11-05 22:40:19 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-2019:3700