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UNIRAS Brief - 69/04 - Red Hat - RHSA-2004:019-01 Updated mailman packages close DoS vulnerability



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 69/04 dated 11.02.04  Time: 15:39  
 UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
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Red Hat Security Advisory
Updated mailman packages close DoS vulnerability
RHSA-2004:019-01

Detail
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                   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
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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
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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@xxxxxxxxxx>.  More contact details at https://www.redhat.com/solutions/security/news/contact.html

Copyright 2003 Red Hat, Inc.
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