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TUCoPS :: Linux :: Gentoo :: b06-6018.htm

GNU gv: Stack overflow



GNU gv: Stack overflow
GNU gv: Stack overflow



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Gentoo Linux Security Advisory                           GLSA 200611-20
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: GNU gv: Stack overflow
      Date: November 24, 2006
      Bugs: #154573
        ID: 200611-20

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Synopsis
=======
GNU gv improperly handles user-supplied data possibly allowing for the
execution of arbitrary code.

Background
=========
GNU gv is a viewer for PostScript and PDF documents.

Affected packages
================
    -------------------------------------------------------------------
     Package      /  Vulnerable  /                          Unaffected
    -------------------------------------------------------------------
  1  app-text/gv     < 3.6.2-r1                            >= 3.6.2-r1

Description
==========
GNU gv does not properly boundary check user-supplied data before
copying it into process buffers.

Impact
=====
An attacker could entice a user to open a specially crafted document
with GNU gv and execute arbitrary code with the rights of the user on
the system.

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

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

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/gv-3.6.2-r1"

References
=========
  [ 1 ] CVE-2006-5864
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5864 

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

http://security.gentoo.org/glsa/glsa-200611-20.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 2006 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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