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Gentoo: sandbox Insecure temporary file handling Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo The sandbox utility may create temporary files in an insecure manner.
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Gentoo Linux Security Advisory                           GLSA 200507-22
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: sandbox: Insecure temporary file handling
      Date: July 25, 2005
      Bugs: #96782
        ID: 200507-22

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Synopsis
========

The sandbox utility may create temporary files in an insecure manner.

Background
==========

sandbox is a Gentoo Linux utility used by the Portage package
management system.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  sys-apps/sandbox      < 1.2.11                          >= 1.2.11

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

The Gentoo Linux Security Audit Team discovered that the sandbox
utility was vulnerable to multiple TOCTOU (Time of Check, Time of Use)
file creation race conditions.

Impact
======

Local users may be able to create or overwrite arbitrary files with the
permissions of the root user.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All sandbox users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-apps/sandbox-1.2.11"

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

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

  http://security.gentoo.org/glsa/glsa-200507-22.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
http://bugs.gentoo.org.

License
=======

Copyright 2005 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/2.0
 
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