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Category:   Application (E-mail Server)  >   Mailman Vendors:   GNU [multiple authors]
(Red Hat Issued Fix for RH Linux 9) Mailman Input Validation Flaw in 'create' Script Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1008958
SecurityTracker URL:  http://securitytracker.com/id/1008958
CVE Reference:   CVE-2003-0992   (Links to External Site)
Date:  Feb 6 2004
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.1.3
Description:   An input validation vulnerability was reported in Mailman. A remote user can conduct cross-site scripting attacks.

In September 2003, it was reported that the 'create' script permits cross-site scripting attacks. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Mailman software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Mailman software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   Red Hat has issued a fix.

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/mailman-2.1.1-5.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/mailman-2.1.1-5.i386.rpm

The verification checksums are:

MD5 sum Package Name
40acda00aa52b23dbb068cd0bf48d898 9/en/os/SRPMS/mailman-2.1.1-5.src.rpm
6efb83ea4e0658457ca3dd883f4d533d 9/en/os/i386/mailman-2.1.1-5.i386.rpm

Vendor URL:  www.gnu.org/software/mailman/mailman.html (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Red Hat Linux)
Underlying OS Comments:  9

Message History:   This archive entry is a follow-up to the message listed below.
Feb 6 2004 Mailman Input Validation Flaw in 'create' Script Permits Cross-Site Scripting Attacks



 Source Message Contents

Subject:  [Full-Disclosure] [RHSA-2004:020-01] Updated mailman packages close cross-site scripting vulnerabilities


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

- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Updated mailman packages close cross-site scripting vulnerabilities
Advisory ID:       RHSA-2004:020-01
Issue date:        2004-02-05
Updated on:        2004-02-05
Product:           Red Hat Linux
Keywords:          xss
Cross references:  
Obsoletes:         RHBA-2003:179
CVE Names:         CAN-2003-0965 CAN-2003-0992
- ---------------------------------------------------------------------

1. Topic:

Updated mailman packages that close various cross-site scripting
vulnerabilities are now available.

2. Relevant releases/architectures:

Red Hat Linux 9 - i386

3. Problem description:

Mailman is a mailing list manager.

Dirk Mueller discovered a cross-site scripting bug in the admin interface
in versions of Mailman 2.1 before 2.1.4.  The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CAN-2003-0965 to
this issue.

A cross-site scripting bug in the 'create' CGI script affects versions of
Mailman 2.1 before 2.1.3.  The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2003-0992 to this issue.

Users of Mailman are advised to upgrade to the erratum packages, which
include backported security fixes and are not vulnerable to these issues.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade.  Only those
RPMs which are currently installed will be updated.  Those RPMs which are
not installed but included in the list will not be updated.  Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network.  Many
people find this an easier way to apply updates.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. RPMs required:

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/mailman-2.1.1-5.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/mailman-2.1.1-5.i386.rpm



6. Verification:

MD5 sum                          Package Name
- --------------------------------------------------------------------------

40acda00aa52b23dbb068cd0bf48d898 9/en/os/SRPMS/mailman-2.1.1-5.src.rpm
6efb83ea4e0658457ca3dd883f4d533d 9/en/os/i386/mailman-2.1.1-5.i386.rpm

These packages are GPG signed by Red Hat for security.  Our key is
available from https://www.redhat.com/security/keys.html

You can verify each package with the following command:
    
    rpm --checksig -v <filename>

If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
    
    md5sum <filename>


7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0965
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0992

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/solutions/security/news/contact.html

Copyright 2003 Red Hat, Inc.
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Version: GnuPG v1.0.7 (GNU/Linux)

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-----END PGP SIGNATURE-----

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html

 
 


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