Home / mailings

PDF

[gentoo-announce] [ GLSA 201206-17 ] virtualenv: Insecure temporary file usage

Posted on 22 June 2012
Gentoo-announce

This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--------------enigD8E257EA649C1616D76D6FE1
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201206-17
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: virtualenv: Insecure temporary file usage
Date: June 22, 2012
Bugs: #395285
ID: 201206-17

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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


--------------enigD8E257EA649C1616D76D6FE1
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

 

TOP