[Bug 1158767] New: RELNOTES - Certificates signed with MD5 algorithm are not verified anymore

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1158767

            Bug ID: 1158767
           Summary: RELNOTES - Certificates signed with MD5 algorithm are
                    not verified anymore
           Product: Fedora Documentation
           Version: devel
         Component: release-notes
          Assignee: relnotes(a)fedoraproject.org
          Reporter: tmraz(a)redhat.com
        QA Contact: docs-qa(a)lists.fedoraproject.org
                CC: relnotes(a)fedoraproject.org, wb8rcr(a)arrl.net,
                    zach(a)oglesby.co
            Blocks: 168083 (fc5-relnotes-traqr)



OpenSSL was patched to disallow verification of certificates that are signed
with MD5 algorithm. The use of MD5 hash algorithm for certificate signatures is
now considered as insecure and thus all the main crypto libraries in Fedora
were patched to reject such certificates.

Certificates signed with MD5 algorithm are not present on public https web
sites anymore but they can be still in use on private networks or used for
authentication on openvpn based VPNs such as in bug 1157260. It is highly
recommended to replace such certificates with new ones signed with SHA256 or at
least SHA1. As a temporary measure the OPENSSL_ENABLE_MD5_VERIFY environment
variable can be set to allow verification of certificates signed with MD5
algorithm.


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=168083
[Bug 168083] FC5 release notes tracker bug
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[Bug 1158767] RELNOTES - Certificates signed with MD5 algorithm are now rejected

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1158767

Pete Travis <me(a)petetravis.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |MODIFIED
                 CC|                            |me(a)petetravis.com
           Assignee|relnotes(a)fedoraproject.org  |me(a)petetravis.com



--- Comment #1 from Pete Travis <me(a)petetravis.com&gt; ---
Thanks Tomas, noted in
https://git.fedorahosted.org/cgit/docs/release-notes.git/commit/?id=b62fd...
and .  You explained it well, so I shamelessly took your copy :)

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[Bug 1158767] RELNOTES - Certificates signed with MD5 algorithm are now rejected

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1158767

Cristian Ciupitu <cristian.ciupitu(a)yahoo.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|MODIFIED                    |VERIFIED
                 CC|                            |cristian.ciupitu(a)yahoo.com
         QA Contact|docs-qa(a)lists.fedoraproject |cristian.ciupitu(a)yahoo.com
                   |.org                        |



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