ESB-2018.1073 - [Ubuntu] python-crypto: Access privileged data - Remote/unauthenticated 2018-04-10

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1073
                        Python Crypto vulnerability
                               10 April 2018

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        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-2018.0990
                   ESB-2018.0477

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3616-2

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USN-3616-2: Python Crypto vulnerability

9 April 2018

python-crypto vulnerability

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

  o Ubuntu 12.04 ESM

Summary

Python Crypto could expose sensitive information.

Software Description

  o python-crypto - cryptographic algorithms and protocols for Python

Details

USN-3616-1 fixed a vulnerability in Python Crypto. This update provides the
corresponding update for Ubuntu 12.04 ESM.

Original advisory 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 12.04 ESM
    python-crypto - 2.4.1-1ubuntu0.3
    python3-crypto - 2.4.1-1ubuntu0.3

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades.

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

References

  o https://usn.ubuntu.com/usn/usn-3616-2
  o CVE-2018-6594

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