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Home » Hacking News » CLA-2002:460-URL handler vulnerability

CLA-2002:460-URL handler vulnerability

by Nikola Strahija on January 31st, 2002 Pine is a mail and news text based client developed by the Washington University. 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. This vulnerability only affects users whith the msg-view-url option enabled (which is not the default).


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 on
November 18, 1999, rediscovered by zen-parse 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.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/pine-4.44L-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/pico-4.44L-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/pilot-4.44L-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/pine-4.44L-1U51_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/pine-4.44L-1U51_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/pilot-4.44L-1U51_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/pico-4.44L-1U51_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/pine-4.44L-1U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/pico-4.44L-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/pine-4.44L-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/pilot-4.44L-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/SRPMS/pine-4.44L-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/pine-4.44L-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/pico-4.44L-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/pilot-4.44L-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/SRPMS/pine-4.44L-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/pine-4.44L-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/pico-4.44L-1U50_1cl.i386.rpm
ftp://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


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


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