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Gentoo Linux Security Advisory 201206-17

Gentoo Linux Security Advisory 201206-17
Posted Jun 22, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201206-17 - An insecure temporary file usage has been reported in virtualenv, possibly allowing symlink attacks. Versions less than 1.5.1 are affected.

tags | advisory
systems | linux, gentoo
advisories | CVE-2011-4617
MD5 | 61ff1ce7bdfff78036d3381bbd4adc8e

Gentoo Linux Security Advisory 201206-17

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201206-17
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http://security.gentoo.org/
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Severity: Normal
Title: virtualenv: Insecure temporary file usage
Date: June 22, 2012
Bugs: #395285
ID: 201206-17

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Synopsis
========

An insecure temporary file usage has been reported in virtualenv,
possibly allowing symlink attacks.

Background
==========

virtualenv is a virtual Python environment builder.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-python/virtualenv < 1.5.1 >= 1.5.1

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

The virtualenv.py script in virtualenv does not handle temporary files
securely.

Impact
======

A local attacker could perform symlink attacks to overwrite arbitrary
files with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All virtualenv users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-python/virtualenv-1.5.1"

References
==========

[ 1 ] CVE-2011-4617
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4617

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

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

http://security.gentoo.org/glsa/glsa-201206-17.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@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2012 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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