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Category:   Application (E-mail Server)  >   Mailman Vendors:   GNU [multiple authors]
(Red Hat Issues Fix for RH Enteprise Linux) Mailman E-Mail Command Processing Flaw Lets Remote Users Crash the Service
SecurityTracker Alert ID:  1008996
SecurityTracker URL:  http://securitytracker.com/id/1008996
CVE Reference:   CVE-2003-0991   (Links to External Site)
Date:  Feb 10 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.0.14
Description:   A vulnerability was reported in Mailman in the processing of certain e-mail commands. A remote user can cause denial of service conditions.

It is reported that a vulnerability in 'MailCommandHandler.py' may let a remote user send a specially crafted e-mail message to cause the target Mailman process to crash.

Impact:   A remote user can cause the Mailman process to crash.
Solution:   Red Hat has released a fix.

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

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/mailman-2.0.13-5.src.rpm

i386:
Available from Red Hat Network: mailman-2.0.13-5.i386.rpm

ia64:
Available from Red Hat Network: mailman-2.0.13-5.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/mailman-2.0.13-5.src.rpm

ia64:
Available from Red Hat Network: mailman-2.0.13-5.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/mailman-2.0.13-5.src.rpm

i386:
Available from Red Hat Network: mailman-2.0.13-5.i386.rpm

The verification checksums are:

MD5 sum Package Name
4190782a23541cc3c31180a897689e5b 2.1AS/en/os/SRPMS/mailman-2.0.13-5.src.rpm
0ae7588dc5219a9baf91d11e35dfe495 2.1AS/en/os/i386/mailman-2.0.13-5.i386.rpm
84193a3e8596401bc8dea410cb8dcd3a 2.1AS/en/os/ia64/mailman-2.0.13-5.ia64.rpm
4190782a23541cc3c31180a897689e5b 2.1AW/en/os/SRPMS/mailman-2.0.13-5.src.rpm
84193a3e8596401bc8dea410cb8dcd3a 2.1AW/en/os/ia64/mailman-2.0.13-5.ia64.rpm
4190782a23541cc3c31180a897689e5b 2.1ES/en/os/SRPMS/mailman-2.0.13-5.src.rpm
0ae7588dc5219a9baf91d11e35dfe495 2.1ES/en/os/i386/mailman-2.0.13-5.i386.rpm

Vendor URL:  mail.python.org/pipermail/mailman-announce/2004-February/000067.html (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  2.1

Message History:   This archive entry is a follow-up to the message listed below.
Feb 9 2004 Mailman E-Mail Command Processing Flaw Lets Remote Users Crash the Service



 Source Message Contents

Subject:  [RHSA-2004:019-01] Updated mailman packages close DoS vulnerability


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

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

Synopsis:          Updated mailman packages close DoS vulnerability
Advisory ID:       RHSA-2004:019-01
Issue date:        2004-02-09
Updated on:        2004-02-09
Product:           Red Hat Enterprise Linux
Keywords:          mailman denial of service DoS
Cross references:  
Obsoletes:         RHSA-2002:181
CVE Names:         CAN-2003-0991
- ---------------------------------------------------------------------

1. Topic:

Updated mailman packages that close a DoS vulnerability present in mailman
versions prior to version 2.1 are now available.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386

3. Problem description:

Mailman is a mailing list manager.

Matthew Galgoci of Red Hat discovered a Denial of Service (DoS)
vulnerability in versions of Mailman prior to 2.1.  An attacker could send
a carefully-crafted message causing mailman to crash.  The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2003-0991 to this issue.

Users of Mailman are advised to upgrade to the erratum packages, which
include a backported security fix and are not vulnerable to this issue.

Red Hat would like to thank Barry Warsaw for providing a patch 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/bugzilla for more info):

113472 - CAN-2003-0991 mailman 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/mailman-2.0.13-5.src.rpm

i386:
Available from Red Hat Network: mailman-2.0.13-5.i386.rpm

ia64:
Available from Red Hat Network: mailman-2.0.13-5.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/mailman-2.0.13-5.src.rpm

ia64:
Available from Red Hat Network: mailman-2.0.13-5.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/mailman-2.0.13-5.src.rpm

i386:
Available from Red Hat Network: mailman-2.0.13-5.i386.rpm



7. Verification:

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

4190782a23541cc3c31180a897689e5b 2.1AS/en/os/SRPMS/mailman-2.0.13-5.src.rpm
0ae7588dc5219a9baf91d11e35dfe495 2.1AS/en/os/i386/mailman-2.0.13-5.i386.rpm
84193a3e8596401bc8dea410cb8dcd3a 2.1AS/en/os/ia64/mailman-2.0.13-5.ia64.rpm
4190782a23541cc3c31180a897689e5b 2.1AW/en/os/SRPMS/mailman-2.0.13-5.src.rpm
84193a3e8596401bc8dea410cb8dcd3a 2.1AW/en/os/ia64/mailman-2.0.13-5.ia64.rpm
4190782a23541cc3c31180a897689e5b 2.1ES/en/os/SRPMS/mailman-2.0.13-5.src.rpm
0ae7588dc5219a9baf91d11e35dfe495 2.1ES/en/os/i386/mailman-2.0.13-5.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>


8. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0991

9. 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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.7 (GNU/Linux)

iD8DBQFAJ9RsXlSAg2UNWIIRAh/DAKCUue+6odv/oTYPuQZEIiiN1IpGLQCfRK1z
qNEqHCYihjrzzlMXxa3KLeg=
=5Xfp
-----END PGP SIGNATURE-----

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Enterprise-watch-list@redhat.com
https://www.redhat.com/mailman/listinfo/enterprise-watch-list

 
 


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