bugtraq - [CLA-2004:840] Conectiva Security Announcement

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Message-ID: <200405062121.SAA02510@frajuto.distro.conectiva>
Date: Thu, 6 May 2004 18:21:06 -0300
From: Conectiva Updates <secure@...ectiva.com.br>
To: conectiva-updates@...aleguas.conectiva.com.br, lwn@....net,
	bugtraq@...urityfocus.com, security-alerts@...uxsecurity.com,
	linsec@...ts.seifried.org
Subject: [CLA-2004:840] Conectiva Security Announcement - lha


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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : lha
SUMMARY   : Buffer overflow and directory traversal vulnerabilities
DATE      : 2004-05-06 18:20:00
ID        : CLA-2004:840
RELEVANT
RELEASES  : 8, 9

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DESCRIPTION
 Lha is an archiving and compression utility for LHarc format
 archives.
 
 Ulf Härnhammar discovered a buffer overflow[1] and a directory
 traversal [2]vulnerability in the lha utility. Both vulnerabilities
 can be exploited by an attacker with the use of specially crafted
 LHarc archives. When processed by lha, these files may cause it to
 execute arbitrary code (exploiting the buffer overflow vulnerability)
 or overwrite arbitrary files if the user unpacking the malicious
 archive has sufficient filesystem permissions to do so (exploiting
 the directory traversal vulnerability).
 
 This update fixes both issues.


SOLUTION
 All users of the lha utility should upgrade.
 
 
 REFERENCES:
 1.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0234
 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0235


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/8/RPMS/lha-1.14i-2U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/lha-1.14i-2U80_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/lha-1.14i-8382U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/lha-1.14i-8382U90_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 regarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

- -------------------------------------------------------------------------
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

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

- -------------------------------------------------------------------------
subscribe: conectiva-updates-subscribe@...aleguas.conectiva.com.br
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