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TUCoPS :: Linux :: Gentoo :: va3080.htm

Xpdf: Untrusted search path



Xpdf: Untrusted search path
Xpdf: Untrusted search path



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Gentoo Linux Security Advisory                           GLSA 200904-07
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: Xpdf: Untrusted search path
      Date: April 07, 2009
      Bugs: #242930
        ID: 200904-07

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Synopsis
=======
A vulnerability in Xpdf might allow local attackers to execute
arbitrary code.

Background
=========
Xpdf is a PDF file viewer that runs under the X Window System.

Affected packages
================
    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  app-text/xpdf      < 3.02-r2                           >= 3.02-r2

Description
==========
Erik Wallin reported that Gentoo's Xpdf attempts to read the "xpdfrc"
file from the current working directory if it cannot find a ".xpdfrc"
file in the user's home directory. This is caused by a missing
definition of the SYSTEM_XPDFRC macro when compiling a repackaged
version of Xpdf.

Impact
=====
A local attacker could entice a user to run "xpdf" from a directory
containing a specially crafted "xpdfrc" file, resulting in the
execution of arbitrary code when attempting to, e.g., print a file.

Workaround
=========
Do not run Xpdf from untrusted working directories.

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

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/xpdf-3.02-r2"

References
=========
  [ 1 ] CVE-2009-1144
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1144 

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

http://security.gentoo.org/glsa/glsa-200904-07.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 2009 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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