Issue parsing some server certificates

[Benoît Allard]

Dear GnuTLS Maintainers,

I discovered that gnutls on wheezy is having trouble parsing some server
certificates. If I add the leaf certificate to my list of CA it works
fine, but with the (provided by ca-certificates) CA, it refuses to
establish the connection.

The issue can be reproduced with::

    wget https://oval.mitre.org/rep-data/5.10/org.mitre.oval/m/oval.xml

Which goes wrong. The following goes well (Where
``EntrustCertificationAuthority-L1K`` is a local copy of the ``Entrust
Certification Authority - L1K`` certificate)::

    wget https://oval.mitre.org/rep-data/5.10/org.mitre.oval/m/oval.xml
--ca-certificate=EntrustCertificationAuthority-L1K

GnuTLS seems to be unable to parse the certificate for "Entrust Root
Certification Authority - G2" (here enclosed) correctly.

A similar trouble seems to be described here:
http://www.linuxquestions.org/questions/debian-26/wget-certificate-error-4175495817/

Let me know If I can provide you with more information.

Best Regards,
Ben.

-- 
Benoît Allard (B30A05B0)|Greenbone Networks GmbH|http://greenbone.net
Neuer Graben 17, 49074 Osnabrück, Germany | AG Osnabrück, HR B 202460
Executive Directors: Lukas Grunwald, Dr. Jan-Oliver Wagner
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-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
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