Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2001.547 -- RHSA-2001:168-05
Updated Mailman packages available
24 December 2001
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AusCERT Security Bulletin Summary
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Product: Mailman
Vendor: Red Hat
Operating System: Red Hat Linux 7.2
Platform: i386
Impact: Access Privileged Data
Access Required: Remote
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Red Hat, Inc. Red Hat Security Advisory
Synopsis: Updated Mailman packages available
Advisory ID: RHSA-2001:168-05
Issue date: 2001-12-11
Updated on: 2001-12-19
Product: Red Hat Linux
Keywords: cross-site scripting
Cross references: RHSA-2001:169 RHSA-2001:170
Obsoletes:
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1. Topic:
Updated Mailman packages are now available for Red Hat Linux 7.2. These
updates fix cross-site scripting bugs which might allow another server to
be used to gain a user's private information from a server running Mailman.
2. Relevant releases/architectures:
Red Hat Linux 7.2 - i386
3. Problem description:
A server running Mailmain versions prior to 2.0.8 will send certain
user-modifiable data to clients without escaping embedded tags. This data
may contain scripts which will then be executed by an unwary client,
possibly transmitting private information to a third party.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2001-0884 to 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):
6. RPMs required:
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/mailman-2.0.8-1.src.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/mailman-2.0.8-1.i386.rpm
7. Verification:
MD5 sum Package Name
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7247f28d0c41f0844f13dfc594ea0ccf 7.2/en/os/SRPMS/mailman-2.0.8-1.src.rpm
23d42ac2e45b24de1e051cdc2855d32a 7.2/en/os/i386/mailman-2.0.8-1.i386.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at:
http://www.redhat.com/about/contact/pgpkey.html
You can verify each package with the following command:
rpm --checksig <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:
rpm --checksig --nogpg <filename>
8. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0884
http://mail.python.org/pipermail/mailman-announce/2001-November/000031.html
http://www.cert.org/advisories/CA-2000-02.html
http://www.cgisecurity.org/advisory/7.txt
Copyright(c) 2000, 2001 Red Hat, Inc.
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