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List:       konq-bugs
Subject:    [konqueror] [Bug 386108] New: DHE crypto not working with Konqueror 17.04.1 / QtWebEngine
From:       Philipp <bugzilla_noreply () kde ! org>
Date:       2017-10-23 13:14:40
Message-ID: bug-386108-5021 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=386108

            Bug ID: 386108
           Summary: DHE crypto not working with Konqueror 17.04.1 /
                    QtWebEngine
           Product: konqueror
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: webenginepart
          Assignee: konq-bugs@kde.org
          Reporter: philipp.gesang@intra2net.com
  Target Milestone: ---

Sites using perfectly safe crypto like https://dh2048.badssl.com/
can no longer be opened in Konqueror 17.04.1. The linked version
of OpenSSL has no problem dealing with DHE crypto (1.1.0f).

This breaks numerous sites which don't enable ECDHE crypto. Also,
other browsers like elinks, Firefox or even Konqueror/KHTML don't
have any trouble connecting to the same host.

Observed on FC26; system facts:

    $ uname -a
    Linux drift.m.i2n 4.13.5-200.fc26.x86_64 #1 SMP Thu Oct 5 16:53:13 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux

    $ rpm -qi konqueror
    Name        : konqueror
    Version     : 17.04.1
    Release     : 1.fc26
    Architecture: x86_64
    Install Date: Sat 21 Oct 2017 08:42:08 PM CEST
    Group       : Unspecified
    Size        : 20779960
    License     : GPLv2+ and LGPLv2+ and GFDL
    Signature   : RSA/SHA256, Mon 22 May 2017 04:05:12 PM CEST, Key ID
812a6b4b64dab85d
    Source RPM  : konqueror-17.04.1-1.fc26.src.rpm
    Build Date  : Mon 15 May 2017 04:30:36 PM CEST
    Build Host  : buildhw-07.phx2.fedoraproject.org
    Relocations : (not relocatable)
    Packager    : Fedora Project
    Vendor      : Fedora Project
    URL         : https://konqueror.org/
    Summary     : KDE File Manager and Browser
    Description :
    Konqueror allows you to manage your files and browse the web in a
    unified interface.

    $ rpm -qi openssl
    Name        : openssl
    Epoch       : 1
    Version     : 1.1.0f
    Release     : 7.fc26
    Architecture: x86_64
    Install Date: Sat 21 Oct 2017 08:31:28 PM CEST
    Group       : System Environment/Libraries
    Size        : 879141
    License     : OpenSSL
    Signature   : RSA/SHA256, Mon 17 Jul 2017 06:43:43 PM CEST, Key ID
812a6b4b64dab85d
    Source RPM  : openssl-1.1.0f-7.fc26.src.rpm
    Build Date  : Mon 17 Jul 2017 03:33:59 PM CEST
    Build Host  : buildhw-08.phx2.fedoraproject.org
    Relocations : (not relocatable)
    Packager    : Fedora Project
    Vendor      : Fedora Project
    URL         : http://www.openssl.org/
    Summary     : Utilities from the general purpose cryptography library with
TLS implementation
    Description :
    The OpenSSL toolkit provides support for secure communications between
    machines. OpenSSL includes a certificate management tool and shared
    libraries which provide various cryptographic algorithms and
    protocols.

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