full-disclosure - [ GLSA 200506-01 ] Binutils, elfutils: Buffer overflow

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Message-ID: <200506011709.39513.jaervosz@gentoo.org>
Date: Wed Jun  1 16:13:02 2005
From: jaervosz at gentoo.org (Sune Kloppenborg Jeppesen)
Subject: [ GLSA 200506-01 ] Binutils,
	elfutils: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200506-01
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Binutils, elfutils: Buffer overflow
      Date: June 01, 2005
      Bugs: #91398, #91817
        ID: 200506-01

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Synopsis
========

Various utilities from the GNU Binutils and elfutils packages are
vulnerable to a heap based buffer overflow, potentially resulting in
the execution of arbitrary code.

Background
==========

The GNU Binutils are a collection of tools to create, modify and
analyse binary files. Many of the files use BFD, the Binary File
Descriptor library, to do low-level manipulation. Elfutils provides a
library and utilities to access, modify and analyse ELF objects.

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  dev-libs/elfutils        < 0.108                         >= 0.108
  2  sys-devel/binutils      < 2.16-r1              *>= 2.14.90.0.8-r3
                                                  *>= 2.15.90.0.1.1-r5
                                                    *>= 2.15.90.0.3-r5
                                                    *>= 2.15.91.0.2-r2
                                                   *>= 2.15.92.0.2-r10
                                                            >= 2.16-r1
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

Tavis Ormandy and Ned Ludd of the Gentoo Linux Security Audit Team
discovered an integer overflow in the BFD library and elfutils,
resulting in a heap based buffer overflow.

Impact
======

Successful exploitation would require a user to access a specially
crafted binary file, resulting in the execution of arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GNU Binutils users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose sys-devel/binutils

All elfutils users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-libs/elfutils-0.108"

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

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

  http://security.gentoo.org/glsa/glsa-200506-01.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 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/2.0
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