ESB-2018.0990 - [Ubuntu] python-crypto: Access privileged data - Remote/unauthenticated 2018-04-04

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0990
                        Python Crypto vulnerability
                               4 April 2018

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

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

Product:           python-crypto
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-6594  

Reference:         ESB-2018.0477

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3616-1

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==========================================================================
Ubuntu Security Notice USN-3616-1
April 03, 2018

python-crypto vulnerability
==========================================================================

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

- - Ubuntu 17.10
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS

Summary:

Python Crypto could expose sensitive information.

Software Description:
- - python-crypto: cryptographic algorithms and protocols for Python

Details:

It was discovered that Python Crypto incorrectly generated ElGamal key
parameters. A remote attacker could possibly use this issue to obtain
sensitive information.

Update instructions:

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

Ubuntu 17.10:
  python-crypto                   2.6.1-7ubuntu0.1
  python3-crypto                  2.6.1-7ubuntu0.1

Ubuntu 16.04 LTS:
  python-crypto                   2.6.1-6ubuntu0.16.04.3
  python3-crypto                  2.6.1-6ubuntu0.16.04.3

Ubuntu 14.04 LTS:
  python-crypto                   2.6.1-4ubuntu0.3
  python3-crypto                  2.6.1-4ubuntu0.3

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

References:
  https://usn.ubuntu.com/usn/usn-3616-1
  CVE-2018-6594

Package Information:
  https://launchpad.net/ubuntu/+source/python-crypto/2.6.1-7ubuntu0.1
  https://launchpad.net/ubuntu/+source/python-crypto/2.6.1-6ubuntu0.16.04.3
  https://launchpad.net/ubuntu/+source/python-crypto/2.6.1-4ubuntu0.3

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