Articles / Red Hat: New squirrelmail p…

Red Hat: New squirrelmail packages fix a local file disclosure flaw

SquirrelMail is a standards-based webmail package written in PHP4. A local file disclosure flaw was found in the way SquirrelMail loads plugins. In SquirrelMail 1.4.6 or earlier, if register_globals is on and magic_quotes_gpc is off, it became possible for an unauthenticated remote user to view the contents of arbitrary local files the web server has read-access to. This configuration is neither default nor safe, and configuring PHP with the register_globals set on is dangerous and not recommended. Users of SquirrelMail should upgrade to this erratum package, which contains a backported patch to correct this issue. Fixed packages are available from updates.redhat.com.
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                   Red Hat Security Advisory

Synopsis:          Moderate: squirrelmail security update
Advisory ID:       RHSA-2006:0547-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2006-0547.html
Issue date:        2006-07-03
Updated on:        2006-07-03
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2006-2842 
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1. Summary:

An updated squirrelmail package that fixes a local file disclosure flaw is
now available.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

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
Red Hat Enterprise Linux AS version 4 - noarch
Red Hat Enterprise Linux Desktop version 4 - noarch
Red Hat Enterprise Linux ES version 4 - noarch
Red Hat Enterprise Linux WS version 4 - noarch

3. Problem description:

SquirrelMail is a standards-based webmail package written in PHP4.

A local file disclosure flaw was found in the way SquirrelMail loads
plugins. In SquirrelMail 1.4.6 or earlier, if register_globals is on and
magic_quotes_gpc is off, it became possible for an unauthenticated remote
user to view the contents of arbitrary local files the web server has
read-access to. This configuration is neither default nor safe, and
configuring PHP with the register_globals set on is dangerous and not
recommended.  (CVE-2006-2842) 

Users of SquirrelMail should upgrade to this erratum package, which
contains a backported patch to correct this issue.

4. Solution:

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

This update is available via Red Hat Network.  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. Bug IDs fixed (http://bugzilla.redhat.com/):

194283 - CVE-2006-2842 Squirrelmail file inclusion

6. RPMs required:

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/squirrelmail-1.4.6-7.el3.src.rpm
d310bf4a75754f83774a1bad5bc37aa4  squirrelmail-1.4.6-7.el3.src.rpm

noarch:
47b5a0299a8e709af48cc45e95c9591a  squirrelmail-1.4.6-7.el3.noarch.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/squirrelmail-1.4.6-7.el3.src.rpm
d310bf4a75754f83774a1bad5bc37aa4  squirrelmail-1.4.6-7.el3.src.rpm

noarch:
47b5a0299a8e709af48cc45e95c9591a  squirrelmail-1.4.6-7.el3.noarch.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/squirrelmail-1.4.6-7.el3.src.rpm
d310bf4a75754f83774a1bad5bc37aa4  squirrelmail-1.4.6-7.el3.src.rpm

noarch:
47b5a0299a8e709af48cc45e95c9591a  squirrelmail-1.4.6-7.el3.noarch.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/squirrelmail-1.4.6-7.el3.src.rpm
d310bf4a75754f83774a1bad5bc37aa4  squirrelmail-1.4.6-7.el3.src.rpm

noarch:
47b5a0299a8e709af48cc45e95c9591a  squirrelmail-1.4.6-7.el3.noarch.rpm

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/squirrelmail-1.4.6-7.el4.src.rpm
8719b14cfb91fae1539d5b7e9abb26be  squirrelmail-1.4.6-7.el4.src.rpm

noarch:
fda560d56eea306af1bbbf2aff442e6a  squirrelmail-1.4.6-7.el4.noarch.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/squirrelmail-1.4.6-7.el4.src.rpm
8719b14cfb91fae1539d5b7e9abb26be  squirrelmail-1.4.6-7.el4.src.rpm

noarch:
fda560d56eea306af1bbbf2aff442e6a  squirrelmail-1.4.6-7.el4.noarch.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/squirrelmail-1.4.6-7.el4.src.rpm
8719b14cfb91fae1539d5b7e9abb26be  squirrelmail-1.4.6-7.el4.src.rpm

noarch:
fda560d56eea306af1bbbf2aff442e6a  squirrelmail-1.4.6-7.el4.noarch.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/squirrelmail-1.4.6-7.el4.src.rpm
8719b14cfb91fae1539d5b7e9abb26be  squirrelmail-1.4.6-7.el4.src.rpm

noarch:
fda560d56eea306af1bbbf2aff442e6a  squirrelmail-1.4.6-7.el4.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=CVE-2006-2842
http://www.squirrelmail.org/security/issue/2006-06-01
http://www.php.net/register_globals
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2006 Red Hat, Inc.
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