[USN-3402-1] PySAML2 vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3402-1
August 24, 2017

python-pysaml2 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.04
- Ubuntu 16.04 LTS

Summary:

The system could be made to expose sensitive information.

Software Description:
- python-pysaml2: Pure python implementation of SAML2

Details:

It was discovered that PySAML2 incorrectly handled certain
SAML XML requests and responses. A remote attacker could use
this issue to read arbitrary files.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
  python-pysaml2                  3.0.0-3ubuntu1.17.04.1
  python3-pysaml2                 3.0.0-3ubuntu1.17.04.1

Ubuntu 16.04 LTS:
  python-pysaml2                  3.0.0-3ubuntu1.16.04.1
  python3-pysaml2                 3.0.0-3ubuntu1.16.04.1

In general, a standard system update will make all the necessary
changes.

References:
  https://www.ubuntu.com/usn/usn-3402-1
  CVE-2016-10149

Package Information:
  https://launchpad.net/ubuntu/+source/python-pysaml2/3.0.0-3ubuntu1.17.04.1
  https://launchpad.net/ubuntu/+source/python-pysaml2/3.0.0-3ubuntu1.16.04.1
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