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Category:   Application (E-mail Server)  >   Mailman Vendors:   [Multiple Authors/Vendors]
(Conectiva Issues Fix) Mailman E-mail Discussion List Software Allows Remote Users to Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1004379
SecurityTracker URL:  http://securitytracker.com/id/1004379
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 25 2002
Impact:   Disclosure of authentication information, Execution of arbitrary code via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.0.10 and prior versions
Description:   Two cross-site scripting vulnerabilities were reported in Mailman. A remote user could potentially obtain a Mailman user's authentication cookies or take actions acting as that Mailman user.

The vendor reported that there are two cross-site scripting bugs.

One bug is in the administrator login page (with source code in Utils.py). A remote user could create an HTML link referring to that page that, when loaded by a target (victim) user, would cause arbitrary scripting to be executed by the target user's browser. The code could obtain the target user's cookies associated with the site running Mailman.

The other bug is in the Pipermail archiving component of Mailman (with source code in Archiver/HyperArch.py). A remote user can create an e-mail message with encoded scripting in the 'Subject' or 'From' fields in a manner that, when it is archived and indexed by Pipermail and then a target user views the index summary, arbitrary code may be executed by the target user's browser. The code could obtain the target user's cookies associated with the site running Pipermail.

The vendor credits "office" and Tristan Roddis with reporting these flaws.
Impact:   A remote user could create an HTML link that, when loaded by the target user, would cause arbitrary scripting code to be executed by the target user's browser. A remote user could also create an e-mail message to be archived by Pipermail (the Mailman archive component) so that, when a target user views the Pipermail index summaries that include a reference to the mailcious e-mail message, arbitrary scripting code would be executed by the target user's browser.

In both cases, the code would originate or appear to originate from the server running Mailman and would execute in the security context of that site. As a result, the code would be able to access the target user's cookies associated with that site and may be able to take actions acting as the target user.
Solution:   Conectiva has released a fix:

ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/mailman-2.0.11-2U60_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/mailman-2.0.11-2U60_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/mailman-2.0.11-2U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/mailman-2.0.11-2U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/mailman-2.0.11-1U8_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/mailman-2.0.11-1U8_1cl.i386.rpm

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
Vendor URL:  www.gnu.org/software/mailman/mailman.html (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Conectiva)

Message History:   This archive entry is a follow-up to the message listed below.
May 25 2002 Mailman E-mail Discussion List Software Allows Remote Users to Conduct Cross-Site Scripting Attacks


 Source Message Contents
Date:  Fri, 24 May 2002 18:36:20 -0300
Subject:  [conectiva-updates] [CLA-2002:489] Conectiva Linux Security Announcement - mailman


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT 
- --------------------------------------------------------------------------

PACKAGE   : mailman
SUMMARY   : Cross site scripting vulnerability
DATE      : 2002-05-24 18:35:00
ID        : CLA-2002:489
RELEVANT
RELEASES  : 6.0, 7.0, 8

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

DESCRIPTION
 Mailman[1] is a mailing list manager.
 
 Barry A. Warsaw announced[2] a new version of mailman that fixes two
 cross site scripting vulnerabilities.
 
 According to this announcement, "office" reported such a
 vulnerability in the login page, and Tristan Roddis reported one in
 the Pipermail index summaries.
 
 Mailman version 2.0.11 addresses both problems.


SOLUTION
 It is recommended that all mailman users upgrade their packages.
 
 
 REFERENCES
 1.http://www.list.org 
 2.http://mail.python.org/pipermail/mailman-announce/2002-May/000042.html


DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/mailman-2.0.11-2U60_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/mailman-2.0.11-2U60_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/mailman-2.0.11-2U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/mailman-2.0.11-2U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/mailman-2.0.11-1U8_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/mailman-2.0.11-1U8_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

- -------------------------------------------------------------------------
subscribe: conectiva-updates-subscribe@papaleguas.conectiva.com.br
unsubscribe: conectiva-updates-unsubscribe@papaleguas.conectiva.com.br
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iD4DBQE87rJT42jd0JmAcZARAoroAJimLJrL5oIZzcJENPrJiDfUdPu+AKCC+nOT
3EyR0Y0KJmjyS6mvJoDS1w==
=mtbd
-----END PGP SIGNATURE-----


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