ESB-2018.2129 - [Win][UNIX/Linux][Ubuntu] python-cryptography: Access confidential data - Remote/unauthenticated 2018-07-24

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2129
                     python-cryptography vulnerability
                               24 July 2018

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        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.

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==========================================================================
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--------------------

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