-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2129
                     python-cryptography vulnerability
                               24 July 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           python-cryptography
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10903  

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3720-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running python-cryptography check for an updated version of the 
         software for their operating system.

- --------------------------BEGIN INCLUDED TEXT--------------------

==========================================================================
Ubuntu Security Notice USN-3720-1
July 23, 2018

python-cryptography vulnerability
==========================================================================

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

- - Ubuntu 18.04 LTS

Summary:

python-cryptography could be made to expose sensitive information
if it received a specially crafted input.

Software Description:
- - python-cryptography: Cryptography Python library

Details:

It was discovered that python-cryptography incorrectly handled certain
inputs. An attacker could possibly use this to get access to sensitive
information.

Update instructions:

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

Ubuntu 18.04 LTS:
  python-cryptography             2.1.4-1ubuntu1.2
  python3-cryptography            2.1.4-1ubuntu1.2

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

References:
  https://usn.ubuntu.com/usn/usn-3720-1
  CVE-2018-10903

Package Information:
  https://launchpad.net/ubuntu/+source/python-cryptography/2.1.4-1ubuntu1.2

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=osix
-----END PGP SIGNATURE-----