bugtraq - [ GLSA 200803-07 ] Paramiko: Information disclosure

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Date: Mon, 03 Mar 2008 23:11:00 +0100
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200803-07 ] Paramiko: Information disclosure

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Gentoo Linux Security Advisory                           GLSA 200803-07
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: Paramiko: Information disclosure
      Date: March 03, 2008
      Bugs: #205777
        ID: 200803-07

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Synopsis
========

Unsafe randomness usage in Paramiko may allow access to sensitive
information.

Background
==========

Paramiko is a Secure Shell Server implementation written in Python.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  dev-python/paramiko       < 1.7.2                        >= 1.7.2

Description
===========

Dwayne C. Litzenberger reported that the file "common.py" does not
properly use RandomPool when using threads or forked processes.

Impact
======

A remote attacker could predict the values generated by applications
using Paramiko for encryption purposes, potentially gaining access to
sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Paramiko users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-python/paramiko-1.7.2"

References
==========

  [ 1 ] CVE-2008-0299
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0299

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200803-07.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5
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