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[ GLSA 200505-15 ] gdb: Multiple vulnerabilities
From: Sune Kloppenborg Jeppesen <jaervosz () gentoo org>
Date: Fri, 20 May 2005 14:52:09 +0200

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Gentoo Linux Security Advisory                           GLSA 200505-15
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: gdb: Multiple vulnerabilities
      Date: May 20, 2005
      Bugs: #88398, #91398, #91654
        ID: 200505-15

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Synopsis
========

Multiple vulnerabilities have been discovered in the GNU debugger,
potentially allowing the execution of arbitrary code.

Background
==========

gdb is the GNU project's debugger, facilitating the analysis and
debugging of applications. The BFD library provides a uniform method of
accessing a variety of object file formats.

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

    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  sys-devel/gdb      < 6.3-r3                             >= 6.3-r3

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

Tavis Ormandy of the Gentoo Linux Security Audit Team discovered an
integer overflow in the BFD library, resulting in a heap overflow. A
review also showed that by default, gdb insecurely sources
initialisation files from the working directory.

Impact
======

Successful exploitation would result in the execution of arbitrary code
on loading a specially crafted object file or the execution of
arbitrary commands.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All gdb users should upgrade to the latest stable version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-devel/gdb-6.3-r3"

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

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

  http://security.gentoo.org/glsa/glsa-200505-15.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 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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