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TUCoPS :: Linux :: Gentoo :: tb11185.htm

ELinks: User-assisted execution of arbitrary code



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




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Gentoo Linux Security Advisory                           GLSA 200706-03
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: ELinks: User-assisted execution of arbitrary code
      Date: June 06, 2007
      Bugs: #177512
        ID: 200706-03

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Synopsis
=======
A vulnerability has been discovered in ELinks allowing for the
user-assisted execution of arbitrary code.

Background
=========
ELinks is a text-mode web browser.

Affected packages
================
    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
  1  www-client/elinks      < 0.11.2-r1                   >= 0.11.2-r1

Description
==========
Arnaud Giersch discovered that the "add_filename_to_string()" function
in file intl/gettext/loadmsgcat.c uses an untrusted relative path,
allowing for a format string attack with a malicious .po file.

Impact
=====
A local attacker could entice a user to run ELinks in a specially
crafted directory environment containing a malicious ".po" file,
possibly resulting in the execution of arbitrary code with the
privileges of the user running ELinks.

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

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

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-client/elinks-0.11.2-r1"

References
=========
  [ 1 ] CVE-2007-2027
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2027 

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

http://security.gentoo.org/glsa/glsa-200706-03.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 2007 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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