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TUCoPS :: Linux :: Gentoo :: va1339.htm

Newsbeuter: User-assisted execution of arbitrary code



Newsbeuter: User-assisted execution of arbitrary code
Newsbeuter: User-assisted execution of arbitrary code



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Gentoo Linux Security Advisory                           GLSA 200809-12
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http://security.gentoo.org/ 
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    Severity: Normal
       Title: Newsbeuter: User-assisted execution of arbitrary code
        Date: September 22, 2008
        Bugs: #236506
          ID: 200809-12

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Synopsis
=======
Insufficient input validation in newsbeuter may allow remote attackers
to execute arbitrary shell commands.

Background
=========
Newsbeuter is a RSS/Atom feed reader for the text console.

Affected packages
================
      -------------------------------------------------------------------
       Package              /  Vulnerable  /                  Unaffected
      -------------------------------------------------------------------
    1  net-news/newsbeuter        < 1.2                           >= 1.2

Description
==========
J.H.M. Dassen reported that the open-in-browser command does not
properly escape shell metacharacters in the URL before passing it to
system().

Impact
=====
A remote attacker could entice a user to open a feed with specially
crafted URLs, possibly resulting in the remote execution of arbitrary
shell commands with the privileges of the user running the application.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Newsbeuter users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-news/newsbeuter-1.2"

References
=========
    [ 1 ] CVE-2008-3907
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3907 

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

http://security.gentoo.org/glsa/glsa-200809-12.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 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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