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Gentoo Linux Security Advisory                           GLSA 201502-11
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: GNU cpio: Multiple vulnerabilities
     Date: February 15, 2015
     Bugs: #530512, #536010
       ID: 201502-11

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Synopsis
========

Two vulnerabilities have been found in GNU cpio, the worst of which
could result in execution of arbitrary code.

Background
==========

GNU cpio copies files into or out of a cpio or tar archive.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-arch/cpio               < 2.11-r3                 >= 2.11-r3

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

Two vulnerabilities have been discovered in GNU cpio:

* The list_file function in GNU cpio contains a heap-based buffer
  overflow vulnerability (CVE-2014-9112)
* A directory traversal vulnerability has been found in GNU cpio
  (CVE-2015-1197)

Impact
======

A remote attacker may be able to entice a user to open a specially
crafted archive using GNU cpio, possibly resulting in execution of
arbitrary code, a Denial of Service condition, or overwriting arbitrary
files.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GNU cpio users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-arch/cpio-2.11-r3"

References
==========

[ 1 ] CVE-2014-9112
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9112
[ 2 ] CVE-2015-1197
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1197

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

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

 http://security.gentoo.org/glsa/glsa-201502-11.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 2015 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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