full-disclosure - [ GLSA 200806-05 ] cbrPager: User-assisted execution of arbitrary code

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Message-ID: <4856D0FD.1000804@gentoo.org>
Date: Mon, 16 Jun 2008 22:45:49 +0200
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 200806-05 ] cbrPager: User-assisted
 execution of arbitrary code

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Gentoo Linux Security Advisory                           GLSA 200806-05
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: cbrPager: User-assisted execution of arbitrary code
      Date: June 16, 2008
      Bugs: #223657
        ID: 200806-05

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Synopsis
========

Insecure filename usage in cbrPager may allow for the remote execution
of arbitrary code.

Background
==========

cbrPager is a comic book pager.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  app-misc/cbrpager      < 0.9.17                         >= 0.9.17

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

Mamoru Tasaka discovered that filenames of the image archives are not
properly sanitized before being passed to decompression utilities like
unrar and unzip, which use the system() libc library call.

Impact
======

A remote attacker could entice a user to open an archive with a
specially crafted filename, resulting in arbitrary code execution with
the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All cbrPager users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-misc/cbrpager-0.9.17"

References
==========

  [ 1 ] CVE-2008-2575
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2575

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

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

  http://security.gentoo.org/glsa/glsa-200806-05.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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