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Gentoo: xv buffer overflows Print E-mail
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Posted by LinuxSecurity.com Team   
Gentoo Multiple buffer overflow and integer handling vulnerabilities have beendiscovered in xv's image processing code. These vulnerabilities havebeen found in the xvbmp.c, xviris.c, xvpcx.c and xvpm.c source files.

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Gentoo Linux Security Advisory                           GLSA 200409-07
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                                             http://security.gentoo.org/
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  Severity: Normal
     Title: xv: Buffer overflows in image handling
      Date: September 03, 2004
      Bugs: #61619
        ID: 200409-07

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Synopsis
========

xv contains multiple exploitable buffer overflows in the image handling
code.

Background
==========

xv is a multi-format image manipulation utility.

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

    -------------------------------------------------------------------
     Package       /  Vulnerable  /                         Unaffected
    -------------------------------------------------------------------
  1  media-gfx/xv     < 3.10a-r7                           >= 3.10a-r7

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

Multiple buffer overflow and integer handling vulnerabilities have been
discovered in xv's image processing code. These vulnerabilities have
been found in the xvbmp.c, xviris.c, xvpcx.c and xvpm.c source files.

Impact
======

An attacker might be able to embed malicious code into an image, which
would lead to the execution of arbitrary code under the privileges of
the user viewing the image.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All xv users should upgrade to the latest stable version:

    # emerge sync

    # emerge -pv ">=media-gfx/xv-3.10a-r7"
    # emerge ">=media-gfx/xv-3.10a-r7"

References
==========

  [ 1 ] BugTraq Advisory
         http://www.securityfocus.com/archive/1/372345/2004-08-15/2004-08-21/0
  [ 2 ] CAN-2004-0802
         http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0802

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

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

   http://security.gentoo.org/glsa/glsa-200409-07.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 2004 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/1.0

 
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