February 1, 2002

Conectiva: 'pine' URL handler vulnerability

Author: JT Smith

Conectiva: "A vulnerability in the pine URL handler was discovered that allows remote attackers to execute arbitrary shell commands in the user's machine by encapsulating them in a URL using environment variables."

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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE   : pine
SUMMARY   : URL handler vulnerability
DATE      : 2002-01-31 12:01:00
ID        : CLA-2002:460
RELEVANT
RELEASES  : 5.0, prg graficos, ecommerce, 5.1, 7.0

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DESCRIPTION
 Pine is a mail and news text based client developed by the Washington
 University[1].

 A vulnerability[2] in the pine URL handler was discovered that allows
 remote attackers to execute arbitrary shell commands in the user's
 machine by encapsulating them in a URL using environment variables.

 This vulnerability only affects users whith the msg-view-url option
 enabled (which is not the default).

 It was originally discovered[3] by Jim Hebert jhebert@jhebert.cx> on
 November 18, 1999, rediscovered by zen-parse zen-parse@gmx.net> on
 October 20, 2001 and reannounced to Bugtraq on January 5, 2002.


SOLUTION
 All pine users should upgrade.

 REFERENCES:
 1 .http://www.washington.edu/pine/
2 .http://www.securityfocus.com/bid/3815
3 .http://www.securityfocus.com/archive/1/35296


DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES 
ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/pine-4.44L-1U50_1cl.src.rpmftp://atualizacoes.conectiva.com.br/5.0/i386/pine-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/5.0/i386/pico-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/5.0/i386/pilot-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/5.1/SRPMS/pine-4.44L-1U51_1cl.src.rpmftp://atualizacoes.conectiva.com.br/5.1/i386/pine-4.44L-1U51_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/5.1/i386/pilot-4.44L-1U51_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/5.1/i386/pico-4.44L-1U51_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/7.0/SRPMS/pine-4.44L-1U70_1cl.src.rpmftp://atualizacoes.conectiva.com.br/7.0/RPMS/pico-4.44L-1U70_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/7.0/RPMS/pine-4.44L-1U70_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/7.0/RPMS/pilot-4.44L-1U70_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/SRPMS/pine-4.44L-1U50_1cl.src.rpmftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/pine-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/pico-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/pilot-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/ferramentas/graficas/SRPMS/pine-4.44L-1U50_1cl.src.rpmftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/pine-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/pico-4.44L-1U50_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/pilot-4.44L-1U50_1cl.i386.rpm


ADDITIONAL INSTRUCTIONS
 Users of Conectiva Linux version 6.0 or higher may use apt to perform
 upgrades of RPM packages:
 - add the following line to /etc/apt/sources.list if it is not there yet
   (you may also use linuxconf to do this):

 rpm [cncbr]  ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates

(replace 6.0 with the correct version number if you are not running CL6.0)

 - 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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