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Date: Thu, 5 Feb 2004 18:12:40 -0200
From: Conectiva Updates <secure@conectiva.com.br>
To: conectiva-updates@papaleguas.conectiva.com.br, lwn@lwn.net,
Subject: [CLA-2004:811] Conectiva Security Announcement - libtool

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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : libtool
SUMMARY   : Insecure handling of temporary files
DATE      : 2004-02-05 18:11:00
ID        : CLA-2004:811
RELEVANT
RELEASES  : 8, 9

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DESCRIPTION
 GNU libtool consists of a set of shell scripts used to build shared
 libraries.
 
 Joseph S. Myers and Stefan Nordhausen independently found[1,2] a
 vulnerability[3] in the way the ltmain.sh script (which is part of
 the libtool package) creates temporary directories for its use.
 
 A local attacker could exploit this vulnerability to change/delete
 arbitrary files in the system on behalf of the user who is calling
 the script.
 
 The vulnerability has been fixed in the 1.5.2 version of libtool.
 This update keeps the original versions distributed with Conectiva
 Linux, fixing the vulnerability by using mktemp to securely create
 the directories.


SOLUTION
 All developers using libtool should upgrade.
 
 
 REFERENCES
 1.http://www.securityfocus.com/archive/1/352333
 2.http://www.geocrawler.com/mail/msg.php3?msg_id=3438808&list=405
 3.http://www.securityfocus.com/bid/9530


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/8/RPMS/libtool-1.4.2-4U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/libtool-1.4.2-4U80_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/libtool-1.4.3-21152U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/libtool-1.4.3-21152U90_1cl.src.rpm


ADDITIONAL INSTRUCTIONS
 The apt tool can be used to perform RPM packages upgrades:

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions reagarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en

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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

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Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com

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