U radu programskog paketa abcm2ps uočena su tri nova sigurnosna propusta. Udaljeni zlonamjerni korisnik spomenute propuste može iskoristiti za pokretanje proizvoljnog programskog koda.

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Gentoo Linux Security Advisory                           GLSA 201111-12
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: abcm2ps: Multiple vulnerabilities
     Date: November 20, 2011
     Bugs: #322859
       ID: 201111-12

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Synopsis
========

Multiple vulnerabilities, including buffer overflows, have been found
in abcm2ps.

Background
==========

abcm2ps is a program to convert abc files to Postscript files.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-sound/abcm2ps          < 5.9.13                  >= 5.9.13 

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

Multiple vulnerabilities have been discovered in abcm2ps:

* Boundary errors in the PUT0 and PUT1 macros, the trim_title()
  function, or a long "-O" command line option can lead to a buffer
  overflow (CVE-2010-3441).
* A vulnerability in the getarena() function in abc2ps.c can cause a
  heap-based buffer overflow in abcm2ps (CVE-2010-4743).
* Multiple unspecified vulnerabilities (CVE-2010-4744).

Impact
======

A remote attacker could entice a user to load a specially crafted ABC
file or use a long -O option on the command line, resulting in the
execution of arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All abcm2ps users should upgrade to the latest stable version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-sound/abcm2ps-5.9.13"

NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since August 27, 2010. It is likely that your system is
already no longer affected by this issue.

References
==========

[ 1 ] CVE-2010-3441
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3441
[ 2 ] CVE-2010-4743
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4743
[ 3 ] CVE-2010-4744
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4744

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

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

 http://security.gentoo.org/glsa/glsa-201111-12.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
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https://bugs.gentoo.org.

License
=======

Copyright 2011 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