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[CLA-2001:437] Conectiva Linux Security Announcement - imp
From: secure () conectiva com br
Date: Fri, 16 Nov 2001 18:25:45 -0200

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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : imp
SUMMARY   : Session hijacking vulnerability
DATE      : 2001-11-16 18:24:00
ID        : CLA-2001:437
RELEVANT
RELEASES  : 5.0, 5.1, 6.0, 7.0

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DESCRIPTION
 Imp is a webmail system which uses the Horde[3] framework.
 
 Joao Pedro Goncalves reported[1] a vulnerability[2] in the Imp
 webmail system which could be used by a remote attacker to access a
 victim's email.
 It is possible to include a script in an URL via html tags. Since
 these tags are not treated appropriately in previous versions (<=
 2.2.6) of Imp, such scripts can be executed by an unsuspecting user
 if clicked on when viewing an email. By emailing such a crafted URL
 to an user and having this user click on it, the attacker is able to
 retrieve the authentication cookies used in the webmail session, thus
 gaining access to the user's webmail account.


SOLUTION
 The authors have released a new version to addresses this
 vulnerability. It is recommended that all administrators deploying
 the Imp webmail system apply the upgrade.
 
 
 REFERENCES
 1.
 http://www.securityfocus.com/archive/1/01110921381901.10015 () pinguim sl pt
 2. http://www.securityfocus.com/bid/3525
 3. http://www.horde.org


DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/horde-1.2.7-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/imp-2.2.7-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.0/noarch/horde-1.2.7-1U50_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.0/noarch/horde-mysql-1.2.7-1U50_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.0/noarch/horde-pgsql-1.2.7-1U50_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.0/noarch/horde-shm-1.2.7-1U50_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.0/noarch/imp-2.2.7-1U50_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/horde-1.2.7-1U51_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/imp-2.2.7-1U51_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.1/noarch/horde-1.2.7-1U51_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.1/noarch/horde-mysql-1.2.7-1U51_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.1/noarch/horde-pgsql-1.2.7-1U51_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.1/noarch/horde-shm-1.2.7-1U51_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/5.1/noarch/imp-2.2.7-1U51_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/horde-1.2.7-1U60_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/imp-2.2.7-1U60_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/horde-1.2.7-1U60_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/horde-mysql-1.2.7-1U60_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/horde-pgsql-1.2.7-1U60_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/horde-shm-1.2.7-1U60_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/imp-2.2.7-1U60_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/horde-1.2.7-1U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/imp-2.2.7-1U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/horde-1.2.7-1U70_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/horde-mysql-1.2.7-1U70_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/horde-pgsql-1.2.7-1U70_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/horde-shm-1.2.7-1U70_1cl.noarch.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/imp-2.2.7-1U70_1cl.noarch.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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