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             AUSCERT External Security Bulletin Redistribution

                     ESB-2004.0821 -- RHSA-2004:654-01
         Updated SquirrelMail package fixes security vulnerability
                             24 December 2004

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           SquirrelMail
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux AS/ES/WS 3
                   Red Hat Desktop version 3
                   UNIX variants
                   Linux variants
                   Windows
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated
CVE Names:         CAN-2004-1036

Comment: This advisory is for Red Hat Linux version 3 only. The same
         vulnerability may exist in other versions, and administrators
         are advised to check the vendor's web site for further details.

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                   Red Hat Security Advisory

Synopsis:          Updated SquirrelMail package fixes security vulnerability
Advisory ID:       RHSA-2004:654-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2004-654.html
Issue date:        2004-12-23
Updated on:        2004-12-23
Product:           Red Hat Enterprise Linux
CVE Names:         CAN-2004-1036
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1. Summary:

An updated SquirrelMail package that fixes a cross-site scripting
vulnerability is now available.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 3 - noarch
Red Hat Desktop version 3 - noarch
Red Hat Enterprise Linux ES version 3 - noarch
Red Hat Enterprise Linux WS version 3 - noarch

3. Problem description:

SquirrelMail is a webmail package written in PHP.

A cross-site scripting bug has been found in SquirrelMail.  This issue
could allow an attacker to send a mail with a carefully crafted header,
which could result in causing the victim's machine to execute a malicious
script. The Common Vulnerabilities and Exposures project has assigned the
name CAN-2004-1036 to this issue.

Additionally, the following issues have been addressed:

- - - updated splash screens
- - - HIGASHIYAMA Masato's patch to improve Japanese support
- - - real 1.4.3a tarball
- - - config_local.php and default_pref in /etc/squirrelmail/ to match upstream   
  RPM.

Please note that it is possible that upgrading to this package may remove
your SquirrelMail configuration files due to a bug in the RPM package. 
Upgrading will prevent this from happening in the future.

Users of SquirrelMail are advised to upgrade to this updated package which
contains a patched version of SquirrelMail version 1.43a and is not
vulnerable to these issues.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

5. Bug IDs fixed (http://bugzilla.redhat.com/):

139739 - CAN-2004-1036 Cross Site Scripting in encoded text
112769 - The login page says Red Hat Linux instead of Fedora/RHEL
125638 - config_local.php is not listed as a config file

6. RPMs required:

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/squirrelmail-1.4.3a-7.EL3.src.rpm
cde6c22b57c88c4ec80545f83d7f16fd  squirrelmail-1.4.3a-7.EL3.src.rpm

noarch:
f207da5253a4493cd502a13aae2dd77e  squirrelmail-1.4.3a-7.EL3.noarch.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/squirrelmail-1.4.3a-7.EL3.src.rpm
cde6c22b57c88c4ec80545f83d7f16fd  squirrelmail-1.4.3a-7.EL3.src.rpm

noarch:
f207da5253a4493cd502a13aae2dd77e  squirrelmail-1.4.3a-7.EL3.noarch.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/squirrelmail-1.4.3a-7.EL3.src.rpm
cde6c22b57c88c4ec80545f83d7f16fd  squirrelmail-1.4.3a-7.EL3.src.rpm

noarch:
f207da5253a4493cd502a13aae2dd77e  squirrelmail-1.4.3a-7.EL3.noarch.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/squirrelmail-1.4.3a-7.EL3.src.rpm
cde6c22b57c88c4ec80545f83d7f16fd  squirrelmail-1.4.3a-7.EL3.src.rpm

noarch:
f207da5253a4493cd502a13aae2dd77e  squirrelmail-1.4.3a-7.EL3.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1036

8. Contact:

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

Copyright 2004 Red Hat, Inc.

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