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RedHat: Moderate: logwatch security update Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
RedHat Linux An updated logwatch package that fixes a denial of service issue is now available. This update has been rated as having moderate security impact by the Red Hat Security Response Team.
- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Moderate: logwatch security update
Advisory ID:       RHSA-2005:364-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-364.html
Issue date:        2005-04-19
Updated on:        2005-04-19
Product:           Red Hat Enterprise Linux
Keywords:          logwatch
CVE Names:         CAN-2005-1061
- ---------------------------------------------------------------------

1. Summary:

An updated logwatch package that fixes a denial of service issue 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 (Advanced Server) version 2.1 - noarch
Red Hat Linux Advanced Workstation 2.1 - noarch
Red Hat Enterprise Linux ES version 2.1 - noarch
Red Hat Enterprise Linux WS version 2.1 - noarch

3. Problem description:

LogWatch is a customizable log analysis system. LogWatch parses
through your system's logs for a given period of time and creates a
report analyzing areas that you specify, in as much detail as you
require.

A bug was found in the logwatch secure script.  If an attacker is able to
inject an arbitrary string into the /var/log/secure file, it is possible to
prevent logwatch from detecting malicious activity. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2005-1061 to this issue.

All users of logwatch are advised to upgrade to this updated
package, which contain backported fixes for this issue.

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

137502 - CAN-2005-1061 logwatch log processing regular expression DoS

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/logwatch-2.6-2.EL2.src.rpm
251d0fde1a715d1bb0fbbba7f7285493  logwatch-2.6-2.EL2.src.rpm

noarch:
b112e89085531f4b37ea8c2b2b40ad6e  logwatch-2.6-2.EL2.noarch.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/logwatch-2.6-2.EL2.src.rpm
251d0fde1a715d1bb0fbbba7f7285493  logwatch-2.6-2.EL2.src.rpm

noarch:
b112e89085531f4b37ea8c2b2b40ad6e  logwatch-2.6-2.EL2.noarch.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/logwatch-2.6-2.EL2.src.rpm
251d0fde1a715d1bb0fbbba7f7285493  logwatch-2.6-2.EL2.src.rpm

noarch:
b112e89085531f4b37ea8c2b2b40ad6e  logwatch-2.6-2.EL2.noarch.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/logwatch-2.6-2.EL2.src.rpm
251d0fde1a715d1bb0fbbba7f7285493  logwatch-2.6-2.EL2.src.rpm

noarch:
b112e89085531f4b37ea8c2b2b40ad6e  logwatch-2.6-2.EL2.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-2005-1061

8. Contact:

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

Copyright 2005 Red Hat, Inc.
 
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